Home / 113,902.43-157,158.50-66,127.41

Finding the Fourth Proportional to 113,902.43, 157,158.50 and 66,127.41

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Solution

The fourth proportional to 113,902.43, 157,158.50 and 66,127.41 is: 91,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,902.43 : 157,158.50 = 66,127.41 : x
  2. Step 2: Convert to fraction form
    113,902.43/157,158.50 = 66,127.41/x
  3. Step 3: Cross multiply
    113,902.43x = 157,158.50 × 66,127.41
  4. Step 4: Simplify right side
    113,902.43x = 10,392,484,233.85
  5. Step 5: Solve for x
    x = 10,392,484,233.85/113,902.43
  6. Step 6: Final answer
    x = 91,240.24

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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.