Home / 90,185.59-124,456.26-49,901.05

Finding the Fourth Proportional to 90,185.59, 124,456.26 and 49,901.05

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Solution

The fourth proportional to 90,185.59, 124,456.26 and 49,901.05 is: 68,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,185.59 : 124,456.26 = 49,901.05 : x
  2. Step 2: Convert to fraction form
    90,185.59/124,456.26 = 49,901.05/x
  3. Step 3: Cross multiply
    90,185.59x = 124,456.26 × 49,901.05
  4. Step 4: Simplify right side
    90,185.59x = 6,210,498,053.07
  5. Step 5: Solve for x
    x = 6,210,498,053.07/90,185.59
  6. Step 6: Final answer
    x = 68,863.53

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Double scale
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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.