Home / 135,934.10-187,603.76-82,248.72

Finding the Fourth Proportional to 135,934.10, 187,603.76 and 82,248.72

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Solution

The fourth proportional to 135,934.10, 187,603.76 and 82,248.72 is: 113,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.10 : 187,603.76 = 82,248.72 : x
  2. Step 2: Convert to fraction form
    135,934.10/187,603.76 = 82,248.72/x
  3. Step 3: Cross multiply
    135,934.10x = 187,603.76 × 82,248.72
  4. Step 4: Simplify right side
    135,934.10x = 15,430,169,127.19
  5. Step 5: Solve for x
    x = 15,430,169,127.19/135,934.10
  6. Step 6: Final answer
    x = 113,512.13

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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.