Home / 155,141.20-232,711.80-109,870.30

Finding the Fourth Proportional to 155,141.20, 232,711.80 and 109,870.30

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Solution

The fourth proportional to 155,141.20, 232,711.80 and 109,870.30 is: 164,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,141.20 : 232,711.80 = 109,870.30 : x
  2. Step 2: Convert to fraction form
    155,141.20/232,711.80 = 109,870.30/x
  3. Step 3: Cross multiply
    155,141.20x = 232,711.80 × 109,870.30
  4. Step 4: Simplify right side
    155,141.20x = 25,568,115,279.54
  5. Step 5: Solve for x
    x = 25,568,115,279.54/155,141.20
  6. Step 6: Final answer
    x = 164,805.45

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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.