Home / 135,753.28-187,333.20-75,323.26

Finding the Fourth Proportional to 135,753.28, 187,333.20 and 75,323.26

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Solution

The fourth proportional to 135,753.28, 187,333.20 and 75,323.26 is: 103,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.28 : 187,333.20 = 75,323.26 : x
  2. Step 2: Convert to fraction form
    135,753.28/187,333.20 = 75,323.26/x
  3. Step 3: Cross multiply
    135,753.28x = 187,333.20 × 75,323.26
  4. Step 4: Simplify right side
    135,753.28x = 14,110,547,330.23
  5. Step 5: Solve for x
    x = 14,110,547,330.23/135,753.28
  6. Step 6: Final answer
    x = 103,942.59

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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.