Home / 148,540.19-204,985.57-80,557.16

Finding the Fourth Proportional to 148,540.19, 204,985.57 and 80,557.16

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Solution

The fourth proportional to 148,540.19, 204,985.57 and 80,557.16 is: 111,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,540.19 : 204,985.57 = 80,557.16 : x
  2. Step 2: Convert to fraction form
    148,540.19/204,985.57 = 80,557.16/x
  3. Step 3: Cross multiply
    148,540.19x = 204,985.57 × 80,557.16
  4. Step 4: Simplify right side
    148,540.19x = 16,513,055,360.18
  5. Step 5: Solve for x
    x = 16,513,055,360.18/148,540.19
  6. Step 6: Final answer
    x = 111,168.94

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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.