Home / 187,404.45-258,620.18-102,519.69

Finding the Fourth Proportional to 187,404.45, 258,620.18 and 102,519.69

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Solution

The fourth proportional to 187,404.45, 258,620.18 and 102,519.69 is: 141,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,404.45 : 258,620.18 = 102,519.69 : x
  2. Step 2: Convert to fraction form
    187,404.45/258,620.18 = 102,519.69/x
  3. Step 3: Cross multiply
    187,404.45x = 258,620.18 × 102,519.69
  4. Step 4: Simplify right side
    187,404.45x = 26,513,660,681.34
  5. Step 5: Solve for x
    x = 26,513,660,681.34/187,404.45
  6. Step 6: Final answer
    x = 141,478.29

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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.