Home / 99,288.60-148,932.90-59,825.40

Finding the Fourth Proportional to 99,288.60, 148,932.90 and 59,825.40

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Solution

The fourth proportional to 99,288.60, 148,932.90 and 59,825.40 is: 89,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.60 : 148,932.90 = 59,825.40 : x
  2. Step 2: Convert to fraction form
    99,288.60/148,932.90 = 59,825.40/x
  3. Step 3: Cross multiply
    99,288.60x = 148,932.90 × 59,825.40
  4. Step 4: Simplify right side
    99,288.60x = 8,909,970,315.66
  5. Step 5: Solve for x
    x = 8,909,970,315.66/99,288.60
  6. Step 6: Final answer
    x = 89,738.10

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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.