Home / 181,250.10-250,116.45-100,682.82

Finding the Fourth Proportional to 181,250.10, 250,116.45 and 100,682.82

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Solution

The fourth proportional to 181,250.10, 250,116.45 and 100,682.82 is: 138,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,250.10 : 250,116.45 = 100,682.82 : x
  2. Step 2: Convert to fraction form
    181,250.10/250,116.45 = 100,682.82/x
  3. Step 3: Cross multiply
    181,250.10x = 250,116.45 × 100,682.82
  4. Step 4: Simplify right side
    181,250.10x = 25,182,429,514.39
  5. Step 5: Solve for x
    x = 25,182,429,514.39/181,250.10
  6. Step 6: Final answer
    x = 138,937.47

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1.5x scale

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.