Home / 148,736.18-205,254.80-80,751.82

Finding the Fourth Proportional to 148,736.18, 205,254.80 and 80,751.82

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Solution

The fourth proportional to 148,736.18, 205,254.80 and 80,751.82 is: 111,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,736.18 : 205,254.80 = 80,751.82 : x
  2. Step 2: Convert to fraction form
    148,736.18/205,254.80 = 80,751.82/x
  3. Step 3: Cross multiply
    148,736.18x = 205,254.80 × 80,751.82
  4. Step 4: Simplify right side
    148,736.18x = 16,574,697,233.70
  5. Step 5: Solve for x
    x = 16,574,697,233.70/148,736.18
  6. Step 6: Final answer
    x = 111,436.89

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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.