Home / 135,825.46-187,440.77-75,397.30

Finding the Fourth Proportional to 135,825.46, 187,440.77 and 75,397.30

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Solution

The fourth proportional to 135,825.46, 187,440.77 and 75,397.30 is: 104,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,825.46 : 187,440.77 = 75,397.30 : x
  2. Step 2: Convert to fraction form
    135,825.46/187,440.77 = 75,397.30/x
  3. Step 3: Cross multiply
    135,825.46x = 187,440.77 × 75,397.30
  4. Step 4: Simplify right side
    135,825.46x = 14,132,527,967.92
  5. Step 5: Solve for x
    x = 14,132,527,967.92/135,825.46
  6. Step 6: Final answer
    x = 104,049.18

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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.