Home / 99,225.60-148,862.40-29,107.20

Finding the Fourth Proportional to 99,225.60, 148,862.40 and 29,107.20

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Solution

The fourth proportional to 99,225.60, 148,862.40 and 29,107.20 is: 43,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225.60 : 148,862.40 = 29,107.20 : x
  2. Step 2: Convert to fraction form
    99,225.60/148,862.40 = 29,107.20/x
  3. Step 3: Cross multiply
    99,225.60x = 148,862.40 × 29,107.20
  4. Step 4: Simplify right side
    99,225.60x = 4,332,967,649.28
  5. Step 5: Solve for x
    x = 4,332,967,649.28/99,225.60
  6. Step 6: Final answer
    x = 43,667.84

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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.