Home / 151,357.44-208,873.29-87,732.15

Finding the Fourth Proportional to 151,357.44, 208,873.29 and 87,732.15

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Solution

The fourth proportional to 151,357.44, 208,873.29 and 87,732.15 is: 121,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,357.44 : 208,873.29 = 87,732.15 : x
  2. Step 2: Convert to fraction form
    151,357.44/208,873.29 = 87,732.15/x
  3. Step 3: Cross multiply
    151,357.44x = 208,873.29 × 87,732.15
  4. Step 4: Simplify right side
    151,357.44x = 18,324,902,809.27
  5. Step 5: Solve for x
    x = 18,324,902,809.27/151,357.44
  6. Step 6: Final answer
    x = 121,070.38

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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.