Home / 99,733.17-137,618.13-57,291.69

Finding the Fourth Proportional to 99,733.17, 137,618.13 and 57,291.69

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Solution

The fourth proportional to 99,733.17, 137,618.13 and 57,291.69 is: 79,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,733.17 : 137,618.13 = 57,291.69 : x
  2. Step 2: Convert to fraction form
    99,733.17/137,618.13 = 57,291.69/x
  3. Step 3: Cross multiply
    99,733.17x = 137,618.13 × 57,291.69
  4. Step 4: Simplify right side
    99,733.17x = 7,884,375,242.34
  5. Step 5: Solve for x
    x = 7,884,375,242.34/99,733.17
  6. Step 6: Final answer
    x = 79,054.69

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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.