Home / 148,796.20-205,374.18-85,170.76

Finding the Fourth Proportional to 148,796.20, 205,374.18 and 85,170.76

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Solution

The fourth proportional to 148,796.20, 205,374.18 and 85,170.76 is: 117,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,796.20 : 205,374.18 = 85,170.76 : x
  2. Step 2: Convert to fraction form
    148,796.20/205,374.18 = 85,170.76/x
  3. Step 3: Cross multiply
    148,796.20x = 205,374.18 × 85,170.76
  4. Step 4: Simplify right side
    148,796.20x = 17,491,874,994.98
  5. Step 5: Solve for x
    x = 17,491,874,994.98/148,796.20
  6. Step 6: Final answer
    x = 117,555.93

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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.