Home / 115,029.46-158,737.57-64,042.22

Finding the Fourth Proportional to 115,029.46, 158,737.57 and 64,042.22

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Solution

The fourth proportional to 115,029.46, 158,737.57 and 64,042.22 is: 88,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,029.46 : 158,737.57 = 64,042.22 : x
  2. Step 2: Convert to fraction form
    115,029.46/158,737.57 = 64,042.22/x
  3. Step 3: Cross multiply
    115,029.46x = 158,737.57 × 64,042.22
  4. Step 4: Simplify right side
    115,029.46x = 10,165,906,616.94
  5. Step 5: Solve for x
    x = 10,165,906,616.94/115,029.46
  6. Step 6: Final answer
    x = 88,376.55

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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.