Home / 127,266.69-190,902.75-38,520.04

Finding the Fourth Proportional to 127,266.69, 190,902.75 and 38,520.04

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Solution

The fourth proportional to 127,266.69, 190,902.75 and 38,520.04 is: 57,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.69 : 190,902.75 = 38,520.04 : x
  2. Step 2: Convert to fraction form
    127,266.69/190,902.75 = 38,520.04/x
  3. Step 3: Cross multiply
    127,266.69x = 190,902.75 × 38,520.04
  4. Step 4: Simplify right side
    127,266.69x = 7,353,581,566.11
  5. Step 5: Solve for x
    x = 7,353,581,566.11/127,266.69
  6. Step 6: Final answer
    x = 57,780.88

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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.