Home / 115,542.90-159,446.34-64,552.50

Finding the Fourth Proportional to 115,542.90, 159,446.34 and 64,552.50

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Solution

The fourth proportional to 115,542.90, 159,446.34 and 64,552.50 is: 89,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,542.90 : 159,446.34 = 64,552.50 : x
  2. Step 2: Convert to fraction form
    115,542.90/159,446.34 = 64,552.50/x
  3. Step 3: Cross multiply
    115,542.90x = 159,446.34 × 64,552.50
  4. Step 4: Simplify right side
    115,542.90x = 10,292,659,862.85
  5. Step 5: Solve for x
    x = 10,292,659,862.85/115,542.90
  6. Step 6: Final answer
    x = 89,080.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.