Home / 148,285.95-204,633.60-80,301.38

Finding the Fourth Proportional to 148,285.95, 204,633.60 and 80,301.38

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Solution

The fourth proportional to 148,285.95, 204,633.60 and 80,301.38 is: 110,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,285.95 : 204,633.60 = 80,301.38 : x
  2. Step 2: Convert to fraction form
    148,285.95/204,633.60 = 80,301.38/x
  3. Step 3: Cross multiply
    148,285.95x = 204,633.60 × 80,301.38
  4. Step 4: Simplify right side
    148,285.95x = 16,432,359,451.20
  5. Step 5: Solve for x
    x = 16,432,359,451.20/148,285.95
  6. Step 6: Final answer
    x = 110,815.35

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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.