Home / 149,239.80-223,531.65-89,972.10

Finding the Fourth Proportional to 149,239.80, 223,531.65 and 89,972.10

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Solution

The fourth proportional to 149,239.80, 223,531.65 and 89,972.10 is: 134,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,239.80 : 223,531.65 = 89,972.10 : x
  2. Step 2: Convert to fraction form
    149,239.80/223,531.65 = 89,972.10/x
  3. Step 3: Cross multiply
    149,239.80x = 223,531.65 × 89,972.10
  4. Step 4: Simplify right side
    149,239.80x = 20,111,611,966.97
  5. Step 5: Solve for x
    x = 20,111,611,966.97/149,239.80
  6. Step 6: Final answer
    x = 134,760.38

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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.