Home / 113,839.46-157,098.20-63,538.46

Finding the Fourth Proportional to 113,839.46, 157,098.20 and 63,538.46

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Solution

The fourth proportional to 113,839.46, 157,098.20 and 63,538.46 is: 87,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.46 : 157,098.20 = 63,538.46 : x
  2. Step 2: Convert to fraction form
    113,839.46/157,098.20 = 63,538.46/x
  3. Step 3: Cross multiply
    113,839.46x = 157,098.20 × 63,538.46
  4. Step 4: Simplify right side
    113,839.46x = 9,981,777,696.77
  5. Step 5: Solve for x
    x = 9,981,777,696.77/113,839.46
  6. Step 6: Final answer
    x = 87,682.93

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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.