Home / 172,017.36-257,753.88-132,670.80

Finding the Fourth Proportional to 172,017.36, 257,753.88 and 132,670.80

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Solution

The fourth proportional to 172,017.36, 257,753.88 and 132,670.80 is: 198,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,017.36 : 257,753.88 = 132,670.80 : x
  2. Step 2: Convert to fraction form
    172,017.36/257,753.88 = 132,670.80/x
  3. Step 3: Cross multiply
    172,017.36x = 257,753.88 × 132,670.80
  4. Step 4: Simplify right side
    172,017.36x = 34,196,413,462.70
  5. Step 5: Solve for x
    x = 34,196,413,462.70/172,017.36
  6. Step 6: Final answer
    x = 198,796.29

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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.