Home / 159,007.14-219,425.22-87,387.03

Finding the Fourth Proportional to 159,007.14, 219,425.22 and 87,387.03

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Solution

The fourth proportional to 159,007.14, 219,425.22 and 87,387.03 is: 120,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,007.14 : 219,425.22 = 87,387.03 : x
  2. Step 2: Convert to fraction form
    159,007.14/219,425.22 = 87,387.03/x
  3. Step 3: Cross multiply
    159,007.14x = 219,425.22 × 87,387.03
  4. Step 4: Simplify right side
    159,007.14x = 19,174,918,282.90
  5. Step 5: Solve for x
    x = 19,174,918,282.90/159,007.14
  6. Step 6: Final answer
    x = 120,591.56

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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.