Home / 187,557.08-258,819.44-106,981.61

Finding the Fourth Proportional to 187,557.08, 258,819.44 and 106,981.61

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Solution

The fourth proportional to 187,557.08, 258,819.44 and 106,981.61 is: 147,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,557.08 : 258,819.44 = 106,981.61 : x
  2. Step 2: Convert to fraction form
    187,557.08/258,819.44 = 106,981.61/x
  3. Step 3: Cross multiply
    187,557.08x = 258,819.44 × 106,981.61
  4. Step 4: Simplify right side
    187,557.08x = 27,688,918,561.49
  5. Step 5: Solve for x
    x = 27,688,918,561.49/187,557.08
  6. Step 6: Final answer
    x = 147,629.29

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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.