Home / 154,840.55-232,260.30-42,520.86

Finding the Fourth Proportional to 154,840.55, 232,260.30 and 42,520.86

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Solution

The fourth proportional to 154,840.55, 232,260.30 and 42,520.86 is: 63,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,840.55 : 232,260.30 = 42,520.86 : x
  2. Step 2: Convert to fraction form
    154,840.55/232,260.30 = 42,520.86/x
  3. Step 3: Cross multiply
    154,840.55x = 232,260.30 × 42,520.86
  4. Step 4: Simplify right side
    154,840.55x = 9,875,907,699.86
  5. Step 5: Solve for x
    x = 9,875,907,699.86/154,840.55
  6. Step 6: Final answer
    x = 63,781.15

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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.