Home / 112,829-155,704.02-62,531.24

Finding the Fourth Proportional to 112,829, 155,704.02 and 62,531.24

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Solution

The fourth proportional to 112,829, 155,704.02 and 62,531.24 is: 86,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,829 : 155,704.02 = 62,531.24 : x
  2. Step 2: Convert to fraction form
    112,829/155,704.02 = 62,531.24/x
  3. Step 3: Cross multiply
    112,829x = 155,704.02 × 62,531.24
  4. Step 4: Simplify right side
    112,829x = 9,736,365,443.58
  5. Step 5: Solve for x
    x = 9,736,365,443.58/112,829
  6. Step 6: Final answer
    x = 86,293.11

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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.