Home / 147,839.85-221,735.51-41,231.04

Finding the Fourth Proportional to 147,839.85, 221,735.51 and 41,231.04

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Solution

The fourth proportional to 147,839.85, 221,735.51 and 41,231.04 is: 61,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,839.85 : 221,735.51 = 41,231.04 : x
  2. Step 2: Convert to fraction form
    147,839.85/221,735.51 = 41,231.04/x
  3. Step 3: Cross multiply
    147,839.85x = 221,735.51 × 41,231.04
  4. Step 4: Simplify right side
    147,839.85x = 9,142,386,427.20
  5. Step 5: Solve for x
    x = 9,142,386,427.20/147,839.85
  6. Step 6: Final answer
    x = 61,839.80

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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.