Home / 181,449.28-272,113.44-76,248.64

Finding the Fourth Proportional to 181,449.28, 272,113.44 and 76,248.64

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Solution

The fourth proportional to 181,449.28, 272,113.44 and 76,248.64 is: 114,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,449.28 : 272,113.44 = 76,248.64 : x
  2. Step 2: Convert to fraction form
    181,449.28/272,113.44 = 76,248.64/x
  3. Step 3: Cross multiply
    181,449.28x = 272,113.44 × 76,248.64
  4. Step 4: Simplify right side
    181,449.28x = 20,748,279,725.72
  5. Step 5: Solve for x
    x = 20,748,279,725.72/181,449.28
  6. Step 6: Final answer
    x = 114,347.55

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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.