Home / 150,411.10-207,512.40-89,983.48

Finding the Fourth Proportional to 150,411.10, 207,512.40 and 89,983.48

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Solution

The fourth proportional to 150,411.10, 207,512.40 and 89,983.48 is: 124,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,411.10 : 207,512.40 = 89,983.48 : x
  2. Step 2: Convert to fraction form
    150,411.10/207,512.40 = 89,983.48/x
  3. Step 3: Cross multiply
    150,411.10x = 207,512.40 × 89,983.48
  4. Step 4: Simplify right side
    150,411.10x = 18,672,687,895.15
  5. Step 5: Solve for x
    x = 18,672,687,895.15/150,411.10
  6. Step 6: Final answer
    x = 124,144.35

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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.