Home / 148,730.60-205,247.58-80,747.03

Finding the Fourth Proportional to 148,730.60, 205,247.58 and 80,747.03

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Solution

The fourth proportional to 148,730.60, 205,247.58 and 80,747.03 is: 111,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,730.60 : 205,247.58 = 80,747.03 : x
  2. Step 2: Convert to fraction form
    148,730.60/205,247.58 = 80,747.03/x
  3. Step 3: Cross multiply
    148,730.60x = 205,247.58 × 80,747.03
  4. Step 4: Simplify right side
    148,730.60x = 16,573,131,473.45
  5. Step 5: Solve for x
    x = 16,573,131,473.45/148,730.60
  6. Step 6: Final answer
    x = 111,430.55

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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.