Home / 109,708.28-151,397.42-59,407.28

Finding the Fourth Proportional to 109,708.28, 151,397.42 and 59,407.28

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Solution

The fourth proportional to 109,708.28, 151,397.42 and 59,407.28 is: 81,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,708.28 : 151,397.42 = 59,407.28 : x
  2. Step 2: Convert to fraction form
    109,708.28/151,397.42 = 59,407.28/x
  3. Step 3: Cross multiply
    109,708.28x = 151,397.42 × 59,407.28
  4. Step 4: Simplify right side
    109,708.28x = 8,994,108,921.22
  5. Step 5: Solve for x
    x = 8,994,108,921.22/109,708.28
  6. Step 6: Final answer
    x = 81,982.04

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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.