Home / 226,263.73-312,233.85-135,669.70

Finding the Fourth Proportional to 226,263.73, 312,233.85 and 135,669.70

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Solution

The fourth proportional to 226,263.73, 312,233.85 and 135,669.70 is: 187,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,263.73 : 312,233.85 = 135,669.70 : x
  2. Step 2: Convert to fraction form
    226,263.73/312,233.85 = 135,669.70/x
  3. Step 3: Cross multiply
    226,263.73x = 312,233.85 × 135,669.70
  4. Step 4: Simplify right side
    226,263.73x = 42,360,672,759.35
  5. Step 5: Solve for x
    x = 42,360,672,759.35/226,263.73
  6. Step 6: Final answer
    x = 187,218.13

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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.