Home / 147,542.31-221,534.87-84,433.69

Finding the Fourth Proportional to 147,542.31, 221,534.87 and 84,433.69

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Solution

The fourth proportional to 147,542.31, 221,534.87 and 84,433.69 is: 126,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,542.31 : 221,534.87 = 84,433.69 : x
  2. Step 2: Convert to fraction form
    147,542.31/221,534.87 = 84,433.69/x
  3. Step 3: Cross multiply
    147,542.31x = 221,534.87 × 84,433.69
  4. Step 4: Simplify right side
    147,542.31x = 18,705,006,392.52
  5. Step 5: Solve for x
    x = 18,705,006,392.52/147,542.31
  6. Step 6: Final answer
    x = 126,777.24

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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.