Home / 181,207.28-250,074.35-100,635.16

Finding the Fourth Proportional to 181,207.28, 250,074.35 and 100,635.16

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Solution

The fourth proportional to 181,207.28, 250,074.35 and 100,635.16 is: 138,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,207.28 : 250,074.35 = 100,635.16 : x
  2. Step 2: Convert to fraction form
    181,207.28/250,074.35 = 100,635.16/x
  3. Step 3: Cross multiply
    181,207.28x = 250,074.35 × 100,635.16
  4. Step 4: Simplify right side
    181,207.28x = 25,166,272,224.15
  5. Step 5: Solve for x
    x = 25,166,272,224.15/181,207.28
  6. Step 6: Final answer
    x = 138,881.13

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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.