Home / 112,426.77-155,151.17-61,442.66

Finding the Fourth Proportional to 112,426.77, 155,151.17 and 61,442.66

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Solution

The fourth proportional to 112,426.77, 155,151.17 and 61,442.66 is: 84,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,426.77 : 155,151.17 = 61,442.66 : x
  2. Step 2: Convert to fraction form
    112,426.77/155,151.17 = 61,442.66/x
  3. Step 3: Cross multiply
    112,426.77x = 155,151.17 × 61,442.66
  4. Step 4: Simplify right side
    112,426.77x = 9,532,900,586.91
  5. Step 5: Solve for x
    x = 9,532,900,586.91/112,426.77
  6. Step 6: Final answer
    x = 84,792.09

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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.