Home / 181,947.60-272,921.40-165,326.40

Finding the Fourth Proportional to 181,947.60, 272,921.40 and 165,326.40

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Solution

The fourth proportional to 181,947.60, 272,921.40 and 165,326.40 is: 247,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,947.60 : 272,921.40 = 165,326.40 : x
  2. Step 2: Convert to fraction form
    181,947.60/272,921.40 = 165,326.40/x
  3. Step 3: Cross multiply
    181,947.60x = 272,921.40 × 165,326.40
  4. Step 4: Simplify right side
    181,947.60x = 45,121,112,544.96
  5. Step 5: Solve for x
    x = 45,121,112,544.96/181,947.60
  6. Step 6: Final answer
    x = 247,989.60

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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.