Home / 157,454.73-236,264.10-68,717.20

Finding the Fourth Proportional to 157,454.73, 236,264.10 and 68,717.20

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Solution

The fourth proportional to 157,454.73, 236,264.10 and 68,717.20 is: 103,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,454.73 : 236,264.10 = 68,717.20 : x
  2. Step 2: Convert to fraction form
    157,454.73/236,264.10 = 68,717.20/x
  3. Step 3: Cross multiply
    157,454.73x = 236,264.10 × 68,717.20
  4. Step 4: Simplify right side
    157,454.73x = 16,235,407,412.52
  5. Step 5: Solve for x
    x = 16,235,407,412.52/157,454.73
  6. Step 6: Final answer
    x = 103,111.59

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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.