Home / 181,290.12-250,180.14-100,725.08

Finding the Fourth Proportional to 181,290.12, 250,180.14 and 100,725.08

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Solution

The fourth proportional to 181,290.12, 250,180.14 and 100,725.08 is: 139,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290.12 : 250,180.14 = 100,725.08 : x
  2. Step 2: Convert to fraction form
    181,290.12/250,180.14 = 100,725.08/x
  3. Step 3: Cross multiply
    181,290.12x = 250,180.14 × 100,725.08
  4. Step 4: Simplify right side
    181,290.12x = 25,199,414,615.91
  5. Step 5: Solve for x
    x = 25,199,414,615.91/181,290.12
  6. Step 6: Final answer
    x = 139,000.49

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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.