Home / 98,890.60-148,332.30-39,710.20

Finding the Fourth Proportional to 98,890.60, 148,332.30 and 39,710.20

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Solution

The fourth proportional to 98,890.60, 148,332.30 and 39,710.20 is: 59,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.60 : 148,332.30 = 39,710.20 : x
  2. Step 2: Convert to fraction form
    98,890.60/148,332.30 = 39,710.20/x
  3. Step 3: Cross multiply
    98,890.60x = 148,332.30 × 39,710.20
  4. Step 4: Simplify right side
    98,890.60x = 5,890,305,299.46
  5. Step 5: Solve for x
    x = 5,890,305,299.46/98,890.60
  6. Step 6: Final answer
    x = 59,563.85

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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.