Home / 187,479.29-258,720.95-102,595.61

Finding the Fourth Proportional to 187,479.29, 258,720.95 and 102,595.61

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Solution

The fourth proportional to 187,479.29, 258,720.95 and 102,595.61 is: 141,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,479.29 : 258,720.95 = 102,595.61 : x
  2. Step 2: Convert to fraction form
    187,479.29/258,720.95 = 102,595.61/x
  3. Step 3: Cross multiply
    187,479.29x = 258,720.95 × 102,595.61
  4. Step 4: Simplify right side
    187,479.29x = 26,543,633,172.05
  5. Step 5: Solve for x
    x = 26,543,633,172.05/187,479.29
  6. Step 6: Final answer
    x = 141,581.68

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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.