Home / 100,244.25-138,337.07-59,959.71

Finding the Fourth Proportional to 100,244.25, 138,337.07 and 59,959.71

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Solution

The fourth proportional to 100,244.25, 138,337.07 and 59,959.71 is: 82,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.25 : 138,337.07 = 59,959.71 : x
  2. Step 2: Convert to fraction form
    100,244.25/138,337.07 = 59,959.71/x
  3. Step 3: Cross multiply
    100,244.25x = 138,337.07 × 59,959.71
  4. Step 4: Simplify right side
    100,244.25x = 8,294,650,299.65
  5. Step 5: Solve for x
    x = 8,294,650,299.65/100,244.25
  6. Step 6: Final answer
    x = 82,744.40

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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.