Home / 148,014.80-204,260.40-80,031.75

Finding the Fourth Proportional to 148,014.80, 204,260.40 and 80,031.75

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Solution

The fourth proportional to 148,014.80, 204,260.40 and 80,031.75 is: 110,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,014.80 : 204,260.40 = 80,031.75 : x
  2. Step 2: Convert to fraction form
    148,014.80/204,260.40 = 80,031.75/x
  3. Step 3: Cross multiply
    148,014.80x = 204,260.40 × 80,031.75
  4. Step 4: Simplify right side
    148,014.80x = 16,347,317,267.70
  5. Step 5: Solve for x
    x = 16,347,317,267.70/148,014.80
  6. Step 6: Final answer
    x = 110,443.81

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1.5x scale

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.