Home / 157,741.87-217,684.28-101,153.47

Finding the Fourth Proportional to 157,741.87, 217,684.28 and 101,153.47

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Solution

The fourth proportional to 157,741.87, 217,684.28 and 101,153.47 is: 139,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,741.87 : 217,684.28 = 101,153.47 : x
  2. Step 2: Convert to fraction form
    157,741.87/217,684.28 = 101,153.47/x
  3. Step 3: Cross multiply
    157,741.87x = 217,684.28 × 101,153.47
  4. Step 4: Simplify right side
    157,741.87x = 22,019,519,780.68
  5. Step 5: Solve for x
    x = 22,019,519,780.68/157,741.87
  6. Step 6: Final answer
    x = 139,592.11

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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.