Home / 127,441.04-175,877.88-76,456

Finding the Fourth Proportional to 127,441.04, 175,877.88 and 76,456

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Solution

The fourth proportional to 127,441.04, 175,877.88 and 76,456 is: 105,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,441.04 : 175,877.88 = 76,456 : x
  2. Step 2: Convert to fraction form
    127,441.04/175,877.88 = 76,456/x
  3. Step 3: Cross multiply
    127,441.04x = 175,877.88 × 76,456
  4. Step 4: Simplify right side
    127,441.04x = 13,446,919,193.28
  5. Step 5: Solve for x
    x = 13,446,919,193.28/127,441.04
  6. Step 6: Final answer
    x = 105,514.83

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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.