Home / 226,108.27-312,084.45-135,517.87

Finding the Fourth Proportional to 226,108.27, 312,084.45 and 135,517.87

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Solution

The fourth proportional to 226,108.27, 312,084.45 and 135,517.87 is: 187,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,108.27 : 312,084.45 = 135,517.87 : x
  2. Step 2: Convert to fraction form
    226,108.27/312,084.45 = 135,517.87/x
  3. Step 3: Cross multiply
    226,108.27x = 312,084.45 × 135,517.87
  4. Step 4: Simplify right side
    226,108.27x = 42,293,017,686.11
  5. Step 5: Solve for x
    x = 42,293,017,686.11/226,108.27
  6. Step 6: Final answer
    x = 187,047.64

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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.