Home / 147,542.97-221,101.83-84,167.76

Finding the Fourth Proportional to 147,542.97, 221,101.83 and 84,167.76

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Solution

The fourth proportional to 147,542.97, 221,101.83 and 84,167.76 is: 126,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,542.97 : 221,101.83 = 84,167.76 : x
  2. Step 2: Convert to fraction form
    147,542.97/221,101.83 = 84,167.76/x
  3. Step 3: Cross multiply
    147,542.97x = 221,101.83 × 84,167.76
  4. Step 4: Simplify right side
    147,542.97x = 18,609,645,763.00
  5. Step 5: Solve for x
    x = 18,609,645,763.00/147,542.97
  6. Step 6: Final answer
    x = 126,130.35

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1.5x scale

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.