Home / 456,054.10-684,081.15-140,607.70

Finding the Fourth Proportional to 456,054.10, 684,081.15 and 140,607.70

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Solution

The fourth proportional to 456,054.10, 684,081.15 and 140,607.70 is: 210,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,054.10 : 684,081.15 = 140,607.70 : x
  2. Step 2: Convert to fraction form
    456,054.10/684,081.15 = 140,607.70/x
  3. Step 3: Cross multiply
    456,054.10x = 684,081.15 × 140,607.70
  4. Step 4: Simplify right side
    456,054.10x = 96,187,077,114.86
  5. Step 5: Solve for x
    x = 96,187,077,114.86/456,054.10
  6. Step 6: Final answer
    x = 210,911.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.