Home / 157,947.57-218,113.97-101,458.17

Finding the Fourth Proportional to 157,947.57, 218,113.97 and 101,458.17

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Solution

The fourth proportional to 157,947.57, 218,113.97 and 101,458.17 is: 140,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,947.57 : 218,113.97 = 101,458.17 : x
  2. Step 2: Convert to fraction form
    157,947.57/218,113.97 = 101,458.17/x
  3. Step 3: Cross multiply
    157,947.57x = 218,113.97 × 101,458.17
  4. Step 4: Simplify right side
    157,947.57x = 22,129,443,740.34
  5. Step 5: Solve for x
    x = 22,129,443,740.34/157,947.57
  6. Step 6: Final answer
    x = 140,106.26

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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.