Home / 172,003.90-257,422.65-151,008.70

Finding the Fourth Proportional to 172,003.90, 257,422.65 and 151,008.70

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Solution

The fourth proportional to 172,003.90, 257,422.65 and 151,008.70 is: 226,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,003.90 : 257,422.65 = 151,008.70 : x
  2. Step 2: Convert to fraction form
    172,003.90/257,422.65 = 151,008.70/x
  3. Step 3: Cross multiply
    172,003.90x = 257,422.65 × 151,008.70
  4. Step 4: Simplify right side
    172,003.90x = 38,873,059,727.06
  5. Step 5: Solve for x
    x = 38,873,059,727.06/172,003.90
  6. Step 6: Final answer
    x = 226,001.04

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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.