Home / 187,764.16-259,124.91-107,217.55

Finding the Fourth Proportional to 187,764.16, 259,124.91 and 107,217.55

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Solution

The fourth proportional to 187,764.16, 259,124.91 and 107,217.55 is: 147,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,764.16 : 259,124.91 = 107,217.55 : x
  2. Step 2: Convert to fraction form
    187,764.16/259,124.91 = 107,217.55/x
  3. Step 3: Cross multiply
    187,764.16x = 259,124.91 × 107,217.55
  4. Step 4: Simplify right side
    187,764.16x = 27,782,737,994.17
  5. Step 5: Solve for x
    x = 27,782,737,994.17/187,764.16
  6. Step 6: Final answer
    x = 147,966.14

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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.