Home / 155,106.57-232,660.85-84,947.61

Finding the Fourth Proportional to 155,106.57, 232,660.85 and 84,947.61

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Solution

The fourth proportional to 155,106.57, 232,660.85 and 84,947.61 is: 127,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,106.57 : 232,660.85 = 84,947.61 : x
  2. Step 2: Convert to fraction form
    155,106.57/232,660.85 = 84,947.61/x
  3. Step 3: Cross multiply
    155,106.57x = 232,660.85 × 84,947.61
  4. Step 4: Simplify right side
    155,106.57x = 19,763,982,723.33
  5. Step 5: Solve for x
    x = 19,763,982,723.33/155,106.57
  6. Step 6: Final answer
    x = 127,421.96

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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.