Home / 148,679.13-205,175.46-80,696.22

Finding the Fourth Proportional to 148,679.13, 205,175.46 and 80,696.22

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Solution

The fourth proportional to 148,679.13, 205,175.46 and 80,696.22 is: 111,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,679.13 : 205,175.46 = 80,696.22 : x
  2. Step 2: Convert to fraction form
    148,679.13/205,175.46 = 80,696.22/x
  3. Step 3: Cross multiply
    148,679.13x = 205,175.46 × 80,696.22
  4. Step 4: Simplify right side
    148,679.13x = 16,556,884,058.76
  5. Step 5: Solve for x
    x = 16,556,884,058.76/148,679.13
  6. Step 6: Final answer
    x = 111,359.84

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1.5x scale

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.