Home / 148,747.75-205,251.24-87,496.72

Finding the Fourth Proportional to 148,747.75, 205,251.24 and 87,496.72

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Solution

The fourth proportional to 148,747.75, 205,251.24 and 87,496.72 is: 120,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,747.75 : 205,251.24 = 87,496.72 : x
  2. Step 2: Convert to fraction form
    148,747.75/205,251.24 = 87,496.72/x
  3. Step 3: Cross multiply
    148,747.75x = 205,251.24 × 87,496.72
  4. Step 4: Simplify right side
    148,747.75x = 17,958,809,762.80
  5. Step 5: Solve for x
    x = 17,958,809,762.80/148,747.75
  6. Step 6: Final answer
    x = 120,733.32

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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.