Home / 123,025.23-169,774.83-66,436.61

Finding the Fourth Proportional to 123,025.23, 169,774.83 and 66,436.61

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Solution

The fourth proportional to 123,025.23, 169,774.83 and 66,436.61 is: 91,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,025.23 : 169,774.83 = 66,436.61 : x
  2. Step 2: Convert to fraction form
    123,025.23/169,774.83 = 66,436.61/x
  3. Step 3: Cross multiply
    123,025.23x = 169,774.83 × 66,436.61
  4. Step 4: Simplify right side
    123,025.23x = 11,279,264,168.53
  5. Step 5: Solve for x
    x = 11,279,264,168.53/123,025.23
  6. Step 6: Final answer
    x = 91,682.53

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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.