Home / 90,161.74-124,423.19-49,326.20

Finding the Fourth Proportional to 90,161.74, 124,423.19 and 49,326.20

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Solution

The fourth proportional to 90,161.74, 124,423.19 and 49,326.20 is: 68,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,161.74 : 124,423.19 = 49,326.20 : x
  2. Step 2: Convert to fraction form
    90,161.74/124,423.19 = 49,326.20/x
  3. Step 3: Cross multiply
    90,161.74x = 124,423.19 × 49,326.20
  4. Step 4: Simplify right side
    90,161.74x = 6,137,323,154.58
  5. Step 5: Solve for x
    x = 6,137,323,154.58/90,161.74
  6. Step 6: Final answer
    x = 68,070.15

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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.