Home / 112,491.60-155,226.12-62,180.88

Finding the Fourth Proportional to 112,491.60, 155,226.12 and 62,180.88

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Solution

The fourth proportional to 112,491.60, 155,226.12 and 62,180.88 is: 85,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,491.60 : 155,226.12 = 62,180.88 : x
  2. Step 2: Convert to fraction form
    112,491.60/155,226.12 = 62,180.88/x
  3. Step 3: Cross multiply
    112,491.60x = 155,226.12 × 62,180.88
  4. Step 4: Simplify right side
    112,491.60x = 9,652,096,740.59
  5. Step 5: Solve for x
    x = 9,652,096,740.59/112,491.60
  6. Step 6: Final answer
    x = 85,802.82

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1.5x scale

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.