Home / 127,247.12-175,523.16-91,485.44

Finding the Fourth Proportional to 127,247.12, 175,523.16 and 91,485.44

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Solution

The fourth proportional to 127,247.12, 175,523.16 and 91,485.44 is: 126,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,247.12 : 175,523.16 = 91,485.44 : x
  2. Step 2: Convert to fraction form
    127,247.12/175,523.16 = 91,485.44/x
  3. Step 3: Cross multiply
    127,247.12x = 175,523.16 × 91,485.44
  4. Step 4: Simplify right side
    127,247.12x = 16,057,813,522.79
  5. Step 5: Solve for x
    x = 16,057,813,522.79/127,247.12
  6. Step 6: Final answer
    x = 126,193.93

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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.