Home / 98,950.96-148,445.04-39,791.20

Finding the Fourth Proportional to 98,950.96, 148,445.04 and 39,791.20

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Solution

The fourth proportional to 98,950.96, 148,445.04 and 39,791.20 is: 59,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,950.96 : 148,445.04 = 39,791.20 : x
  2. Step 2: Convert to fraction form
    98,950.96/148,445.04 = 39,791.20/x
  3. Step 3: Cross multiply
    98,950.96x = 148,445.04 × 39,791.20
  4. Step 4: Simplify right side
    98,950.96x = 5,906,806,275.65
  5. Step 5: Solve for x
    x = 5,906,806,275.65/98,950.96
  6. Step 6: Final answer
    x = 59,694.28

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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.