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Finding the Fourth Proportional to 121,569, 182,418.96 and 59,239.50

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Solution

The fourth proportional to 121,569, 182,418.96 and 59,239.50 is: 88,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569 : 182,418.96 = 59,239.50 : x
  2. Step 2: Convert to fraction form
    121,569/182,418.96 = 59,239.50/x
  3. Step 3: Cross multiply
    121,569x = 182,418.96 × 59,239.50
  4. Step 4: Simplify right side
    121,569x = 10,806,407,980.92
  5. Step 5: Solve for x
    x = 10,806,407,980.92/121,569
  6. Step 6: Final answer
    x = 88,891.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.