Home / 82,951.20-124,329.60-62,150.40

Finding the Fourth Proportional to 82,951.20, 124,329.60 and 62,150.40

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Solution

The fourth proportional to 82,951.20, 124,329.60 and 62,150.40 is: 93,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,951.20 : 124,329.60 = 62,150.40 : x
  2. Step 2: Convert to fraction form
    82,951.20/124,329.60 = 62,150.40/x
  3. Step 3: Cross multiply
    82,951.20x = 124,329.60 × 62,150.40
  4. Step 4: Simplify right side
    82,951.20x = 7,727,134,371.84
  5. Step 5: Solve for x
    x = 7,727,134,371.84/82,951.20
  6. Step 6: Final answer
    x = 93,152.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.