Home / 150,363.20-207,523.32-86,688.56

Finding the Fourth Proportional to 150,363.20, 207,523.32 and 86,688.56

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Solution

The fourth proportional to 150,363.20, 207,523.32 and 86,688.56 is: 119,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,363.20 : 207,523.32 = 86,688.56 : x
  2. Step 2: Convert to fraction form
    150,363.20/207,523.32 = 86,688.56/x
  3. Step 3: Cross multiply
    150,363.20x = 207,523.32 × 86,688.56
  4. Step 4: Simplify right side
    150,363.20x = 17,989,897,777.22
  5. Step 5: Solve for x
    x = 17,989,897,777.22/150,363.20
  6. Step 6: Final answer
    x = 119,642.96

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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.