Home / 123,060.20-169,823.07-66,471.57

Finding the Fourth Proportional to 123,060.20, 169,823.07 and 66,471.57

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Solution

The fourth proportional to 123,060.20, 169,823.07 and 66,471.57 is: 91,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,060.20 : 169,823.07 = 66,471.57 : x
  2. Step 2: Convert to fraction form
    123,060.20/169,823.07 = 66,471.57/x
  3. Step 3: Cross multiply
    123,060.20x = 169,823.07 × 66,471.57
  4. Step 4: Simplify right side
    123,060.20x = 11,288,406,085.12
  5. Step 5: Solve for x
    x = 11,288,406,085.12/123,060.20
  6. Step 6: Final answer
    x = 91,730.77

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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.