Home / 103,620.40-154,674.11-88,923.76

Finding the Fourth Proportional to 103,620.40, 154,674.11 and 88,923.76

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Solution

The fourth proportional to 103,620.40, 154,674.11 and 88,923.76 is: 132,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.40 : 154,674.11 = 88,923.76 : x
  2. Step 2: Convert to fraction form
    103,620.40/154,674.11 = 88,923.76/x
  3. Step 3: Cross multiply
    103,620.40x = 154,674.11 × 88,923.76
  4. Step 4: Simplify right side
    103,620.40x = 13,754,203,435.85
  5. Step 5: Solve for x
    x = 13,754,203,435.85/103,620.40
  6. Step 6: Final answer
    x = 132,736.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.