Home / 172,360.40-258,533.91-88,119.59

Finding the Fourth Proportional to 172,360.40, 258,533.91 and 88,119.59

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Solution

The fourth proportional to 172,360.40, 258,533.91 and 88,119.59 is: 132,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,360.40 : 258,533.91 = 88,119.59 : x
  2. Step 2: Convert to fraction form
    172,360.40/258,533.91 = 88,119.59/x
  3. Step 3: Cross multiply
    172,360.40x = 258,533.91 × 88,119.59
  4. Step 4: Simplify right side
    172,360.40x = 22,781,900,857.63
  5. Step 5: Solve for x
    x = 22,781,900,857.63/172,360.40
  6. Step 6: Final answer
    x = 132,175.96

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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.