Home / 112,672.17-155,487.96-61,685.37

Finding the Fourth Proportional to 112,672.17, 155,487.96 and 61,685.37

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Solution

The fourth proportional to 112,672.17, 155,487.96 and 61,685.37 is: 85,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,672.17 : 155,487.96 = 61,685.37 : x
  2. Step 2: Convert to fraction form
    112,672.17/155,487.96 = 61,685.37/x
  3. Step 3: Cross multiply
    112,672.17x = 155,487.96 × 61,685.37
  4. Step 4: Simplify right side
    112,672.17x = 9,591,332,343.15
  5. Step 5: Solve for x
    x = 9,591,332,343.15/112,672.17
  6. Step 6: Final answer
    x = 85,126.01

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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.