Home / 123,543.52-170,301.36-75,708.16

Finding the Fourth Proportional to 123,543.52, 170,301.36 and 75,708.16

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Solution

The fourth proportional to 123,543.52, 170,301.36 and 75,708.16 is: 104,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,543.52 : 170,301.36 = 75,708.16 : x
  2. Step 2: Convert to fraction form
    123,543.52/170,301.36 = 75,708.16/x
  3. Step 3: Cross multiply
    123,543.52x = 170,301.36 × 75,708.16
  4. Step 4: Simplify right side
    123,543.52x = 12,893,202,611.10
  5. Step 5: Solve for x
    x = 12,893,202,611.10/123,543.52
  6. Step 6: Final answer
    x = 104,361.63

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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.