Home / 102,481.38-152,703.27-91,302.17

Finding the Fourth Proportional to 102,481.38, 152,703.27 and 91,302.17

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Solution

The fourth proportional to 102,481.38, 152,703.27 and 91,302.17 is: 136,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,481.38 : 152,703.27 = 91,302.17 : x
  2. Step 2: Convert to fraction form
    102,481.38/152,703.27 = 91,302.17/x
  3. Step 3: Cross multiply
    102,481.38x = 152,703.27 × 91,302.17
  4. Step 4: Simplify right side
    102,481.38x = 13,942,139,153.58
  5. Step 5: Solve for x
    x = 13,942,139,153.58/102,481.38
  6. Step 6: Final answer
    x = 136,045.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.