Home / 252,070.17-347,840.49-138,892.92

Finding the Fourth Proportional to 252,070.17, 347,840.49 and 138,892.92

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Solution

The fourth proportional to 252,070.17, 347,840.49 and 138,892.92 is: 191,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,070.17 : 347,840.49 = 138,892.92 : x
  2. Step 2: Convert to fraction form
    252,070.17/347,840.49 = 138,892.92/x
  3. Step 3: Cross multiply
    252,070.17x = 347,840.49 × 138,892.92
  4. Step 4: Simplify right side
    252,070.17x = 48,312,581,350.33
  5. Step 5: Solve for x
    x = 48,312,581,350.33/252,070.17
  6. Step 6: Final answer
    x = 191,663.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.