Home / 123,706.24-170,713.92-67,116.40

Finding the Fourth Proportional to 123,706.24, 170,713.92 and 67,116.40

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Solution

The fourth proportional to 123,706.24, 170,713.92 and 67,116.40 is: 92,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706.24 : 170,713.92 = 67,116.40 : x
  2. Step 2: Convert to fraction form
    123,706.24/170,713.92 = 67,116.40/x
  3. Step 3: Cross multiply
    123,706.24x = 170,713.92 × 67,116.40
  4. Step 4: Simplify right side
    123,706.24x = 11,457,703,740.29
  5. Step 5: Solve for x
    x = 11,457,703,740.29/123,706.24
  6. Step 6: Final answer
    x = 92,620.26

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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.