Home / 99,302.40-148,957.20-29,188.80

Finding the Fourth Proportional to 99,302.40, 148,957.20 and 29,188.80

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Solution

The fourth proportional to 99,302.40, 148,957.20 and 29,188.80 is: 43,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.40 : 148,957.20 = 29,188.80 : x
  2. Step 2: Convert to fraction form
    99,302.40/148,957.20 = 29,188.80/x
  3. Step 3: Cross multiply
    99,302.40x = 148,957.20 × 29,188.80
  4. Step 4: Simplify right side
    99,302.40x = 4,347,881,919.36
  5. Step 5: Solve for x
    x = 4,347,881,919.36/99,302.40
  6. Step 6: Final answer
    x = 43,784.26

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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.