Home / 148,962.26-205,569.24-80,979.36

Finding the Fourth Proportional to 148,962.26, 205,569.24 and 80,979.36

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Solution

The fourth proportional to 148,962.26, 205,569.24 and 80,979.36 is: 111,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,962.26 : 205,569.24 = 80,979.36 : x
  2. Step 2: Convert to fraction form
    148,962.26/205,569.24 = 80,979.36/x
  3. Step 3: Cross multiply
    148,962.26x = 205,569.24 × 80,979.36
  4. Step 4: Simplify right side
    148,962.26x = 16,646,866,028.17
  5. Step 5: Solve for x
    x = 16,646,866,028.17/148,962.26
  6. Step 6: Final answer
    x = 111,752.24

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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.