Home / 148,313.40-204,672.72-80,330.52

Finding the Fourth Proportional to 148,313.40, 204,672.72 and 80,330.52

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Solution

The fourth proportional to 148,313.40, 204,672.72 and 80,330.52 is: 110,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,313.40 : 204,672.72 = 80,330.52 : x
  2. Step 2: Convert to fraction form
    148,313.40/204,672.72 = 80,330.52/x
  3. Step 3: Cross multiply
    148,313.40x = 204,672.72 × 80,330.52
  4. Step 4: Simplify right side
    148,313.40x = 16,441,466,027.41
  5. Step 5: Solve for x
    x = 16,441,466,027.41/148,313.40
  6. Step 6: Final answer
    x = 110,856.24

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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.