Home / 187,154.46-258,199.92-115,409.93

Finding the Fourth Proportional to 187,154.46, 258,199.92 and 115,409.93

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Solution

The fourth proportional to 187,154.46, 258,199.92 and 115,409.93 is: 159,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,154.46 : 258,199.92 = 115,409.93 : x
  2. Step 2: Convert to fraction form
    187,154.46/258,199.92 = 115,409.93/x
  3. Step 3: Cross multiply
    187,154.46x = 258,199.92 × 115,409.93
  4. Step 4: Simplify right side
    187,154.46x = 29,798,833,402.21
  5. Step 5: Solve for x
    x = 29,798,833,402.21/187,154.46
  6. Step 6: Final answer
    x = 159,220.54

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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.