Home / 96,318.24-144,281.52-78,612

Finding the Fourth Proportional to 96,318.24, 144,281.52 and 78,612

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Solution

The fourth proportional to 96,318.24, 144,281.52 and 78,612 is: 117,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,318.24 : 144,281.52 = 78,612 : x
  2. Step 2: Convert to fraction form
    96,318.24/144,281.52 = 78,612/x
  3. Step 3: Cross multiply
    96,318.24x = 144,281.52 × 78,612
  4. Step 4: Simplify right side
    96,318.24x = 11,342,258,850.24
  5. Step 5: Solve for x
    x = 11,342,258,850.24/96,318.24
  6. Step 6: Final answer
    x = 117,758.16

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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.