Home / 181,215.96-250,077.36-100,641.48

Finding the Fourth Proportional to 181,215.96, 250,077.36 and 100,641.48

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Solution

The fourth proportional to 181,215.96, 250,077.36 and 100,641.48 is: 138,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,215.96 : 250,077.36 = 100,641.48 : x
  2. Step 2: Convert to fraction form
    181,215.96/250,077.36 = 100,641.48/x
  3. Step 3: Cross multiply
    181,215.96x = 250,077.36 × 100,641.48
  4. Step 4: Simplify right side
    181,215.96x = 25,168,155,624.89
  5. Step 5: Solve for x
    x = 25,168,155,624.89/181,215.96
  6. Step 6: Final answer
    x = 138,884.87

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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.