Home / 148,190.85-204,503.36-80,207.81

Finding the Fourth Proportional to 148,190.85, 204,503.36 and 80,207.81

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Solution

The fourth proportional to 148,190.85, 204,503.36 and 80,207.81 is: 110,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,190.85 : 204,503.36 = 80,207.81 : x
  2. Step 2: Convert to fraction form
    148,190.85/204,503.36 = 80,207.81/x
  3. Step 3: Cross multiply
    148,190.85x = 204,503.36 × 80,207.81
  4. Step 4: Simplify right side
    148,190.85x = 16,402,766,787.32
  5. Step 5: Solve for x
    x = 16,402,766,787.32/148,190.85
  6. Step 6: Final answer
    x = 110,686.77

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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.