Home / 172,177.36-258,265.69-45,817.61

Finding the Fourth Proportional to 172,177.36, 258,265.69 and 45,817.61

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Solution

The fourth proportional to 172,177.36, 258,265.69 and 45,817.61 is: 68,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,177.36 : 258,265.69 = 45,817.61 : x
  2. Step 2: Convert to fraction form
    172,177.36/258,265.69 = 45,817.61/x
  3. Step 3: Cross multiply
    172,177.36x = 258,265.69 × 45,817.61
  4. Step 4: Simplify right side
    172,177.36x = 11,833,115,254.93
  5. Step 5: Solve for x
    x = 11,833,115,254.93/172,177.36
  6. Step 6: Final answer
    x = 68,726.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.