Home / 115,023.50-158,716.09-64,029.15

Finding the Fourth Proportional to 115,023.50, 158,716.09 and 64,029.15

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Solution

The fourth proportional to 115,023.50, 158,716.09 and 64,029.15 is: 88,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,023.50 : 158,716.09 = 64,029.15 : x
  2. Step 2: Convert to fraction form
    115,023.50/158,716.09 = 64,029.15/x
  3. Step 3: Cross multiply
    115,023.50x = 158,716.09 × 64,029.15
  4. Step 4: Simplify right side
    115,023.50x = 10,162,456,334.02
  5. Step 5: Solve for x
    x = 10,162,456,334.02/115,023.50
  6. Step 6: Final answer
    x = 88,351.13

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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.