Home / 155,236.46-232,747.10-79,187.32

Finding the Fourth Proportional to 155,236.46, 232,747.10 and 79,187.32

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Solution

The fourth proportional to 155,236.46, 232,747.10 and 79,187.32 is: 118,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,236.46 : 232,747.10 = 79,187.32 : x
  2. Step 2: Convert to fraction form
    155,236.46/232,747.10 = 79,187.32/x
  3. Step 3: Cross multiply
    155,236.46x = 232,747.10 × 79,187.32
  4. Step 4: Simplify right side
    155,236.46x = 18,430,617,527.10
  5. Step 5: Solve for x
    x = 18,430,617,527.10/155,236.46
  6. Step 6: Final answer
    x = 118,726.09

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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.