Home / 123,460.17-170,366.19-72,474.97

Finding the Fourth Proportional to 123,460.17, 170,366.19 and 72,474.97

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Solution

The fourth proportional to 123,460.17, 170,366.19 and 72,474.97 is: 100,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.17 : 170,366.19 = 72,474.97 : x
  2. Step 2: Convert to fraction form
    123,460.17/170,366.19 = 72,474.97/x
  3. Step 3: Cross multiply
    123,460.17x = 170,366.19 × 72,474.97
  4. Step 4: Simplify right side
    123,460.17x = 12,347,284,509.26
  5. Step 5: Solve for x
    x = 12,347,284,509.26/123,460.17
  6. Step 6: Final answer
    x = 100,010.27

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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.