Home / 123,081.20-184,621.80-69,937.10

Finding the Fourth Proportional to 123,081.20, 184,621.80 and 69,937.10

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Solution

The fourth proportional to 123,081.20, 184,621.80 and 69,937.10 is: 104,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,081.20 : 184,621.80 = 69,937.10 : x
  2. Step 2: Convert to fraction form
    123,081.20/184,621.80 = 69,937.10/x
  3. Step 3: Cross multiply
    123,081.20x = 184,621.80 × 69,937.10
  4. Step 4: Simplify right side
    123,081.20x = 12,911,913,288.78
  5. Step 5: Solve for x
    x = 12,911,913,288.78/123,081.20
  6. Step 6: Final answer
    x = 104,905.65

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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.