Home / 112,993.17-155,930.15-62,006.75

Finding the Fourth Proportional to 112,993.17, 155,930.15 and 62,006.75

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Solution

The fourth proportional to 112,993.17, 155,930.15 and 62,006.75 is: 85,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993.17 : 155,930.15 = 62,006.75 : x
  2. Step 2: Convert to fraction form
    112,993.17/155,930.15 = 62,006.75/x
  3. Step 3: Cross multiply
    112,993.17x = 155,930.15 × 62,006.75
  4. Step 4: Simplify right side
    112,993.17x = 9,668,720,738.83
  5. Step 5: Solve for x
    x = 9,668,720,738.83/112,993.17
  6. Step 6: Final answer
    x = 85,569.07

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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.