Home / 148,561.04-205,013.04-80,577.38

Finding the Fourth Proportional to 148,561.04, 205,013.04 and 80,577.38

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Solution

The fourth proportional to 148,561.04, 205,013.04 and 80,577.38 is: 111,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,561.04 : 205,013.04 = 80,577.38 : x
  2. Step 2: Convert to fraction form
    148,561.04/205,013.04 = 80,577.38/x
  3. Step 3: Cross multiply
    148,561.04x = 205,013.04 × 80,577.38
  4. Step 4: Simplify right side
    148,561.04x = 16,519,413,629.04
  5. Step 5: Solve for x
    x = 16,519,413,629.04/148,561.04
  6. Step 6: Final answer
    x = 111,196.14

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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.