Home / 122,589.14-169,202.25-74,882.66

Finding the Fourth Proportional to 122,589.14, 169,202.25 and 74,882.66

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Solution

The fourth proportional to 122,589.14, 169,202.25 and 74,882.66 is: 103,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589.14 : 169,202.25 = 74,882.66 : x
  2. Step 2: Convert to fraction form
    122,589.14/169,202.25 = 74,882.66/x
  3. Step 3: Cross multiply
    122,589.14x = 169,202.25 × 74,882.66
  4. Step 4: Simplify right side
    122,589.14x = 12,670,314,557.99
  5. Step 5: Solve for x
    x = 12,670,314,557.99/122,589.14
  6. Step 6: Final answer
    x = 103,355.93

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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.