Home / 148,302.60-204,657.41-80,319.53

Finding the Fourth Proportional to 148,302.60, 204,657.41 and 80,319.53

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Solution

The fourth proportional to 148,302.60, 204,657.41 and 80,319.53 is: 110,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.60 : 204,657.41 = 80,319.53 : x
  2. Step 2: Convert to fraction form
    148,302.60/204,657.41 = 80,319.53/x
  3. Step 3: Cross multiply
    148,302.60x = 204,657.41 × 80,319.53
  4. Step 4: Simplify right side
    148,302.60x = 16,437,986,580.62
  5. Step 5: Solve for x
    x = 16,437,986,580.62/148,302.60
  6. Step 6: Final answer
    x = 110,840.85

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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.