Home / 148,278.34-204,624.22-80,295.86

Finding the Fourth Proportional to 148,278.34, 204,624.22 and 80,295.86

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Solution

The fourth proportional to 148,278.34, 204,624.22 and 80,295.86 is: 110,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,278.34 : 204,624.22 = 80,295.86 : x
  2. Step 2: Convert to fraction form
    148,278.34/204,624.22 = 80,295.86/x
  3. Step 3: Cross multiply
    148,278.34x = 204,624.22 × 80,295.86
  4. Step 4: Simplify right side
    148,278.34x = 16,430,477,721.73
  5. Step 5: Solve for x
    x = 16,430,477,721.73/148,278.34
  6. Step 6: Final answer
    x = 110,808.35

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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.