Home / 87,044.77-119,339.49-85,470.13

Finding the Fourth Proportional to 87,044.77, 119,339.49 and 85,470.13

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Solution

The fourth proportional to 87,044.77, 119,339.49 and 85,470.13 is: 117,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,044.77 : 119,339.49 = 85,470.13 : x
  2. Step 2: Convert to fraction form
    87,044.77/119,339.49 = 85,470.13/x
  3. Step 3: Cross multiply
    87,044.77x = 119,339.49 × 85,470.13
  4. Step 4: Simplify right side
    87,044.77x = 10,199,961,426.09
  5. Step 5: Solve for x
    x = 10,199,961,426.09/87,044.77
  6. Step 6: Final answer
    x = 117,180.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.