Home / 159,488.07-239,278.89-47,171.25

Finding the Fourth Proportional to 159,488.07, 239,278.89 and 47,171.25

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Solution

The fourth proportional to 159,488.07, 239,278.89 and 47,171.25 is: 70,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,488.07 : 239,278.89 = 47,171.25 : x
  2. Step 2: Convert to fraction form
    159,488.07/239,278.89 = 47,171.25/x
  3. Step 3: Cross multiply
    159,488.07x = 239,278.89 × 47,171.25
  4. Step 4: Simplify right side
    159,488.07x = 11,287,084,339.91
  5. Step 5: Solve for x
    x = 11,287,084,339.91/159,488.07
  6. Step 6: Final answer
    x = 70,770.71

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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.