Home / 148,390.52-204,779.22-80,408.12

Finding the Fourth Proportional to 148,390.52, 204,779.22 and 80,408.12

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Solution

The fourth proportional to 148,390.52, 204,779.22 and 80,408.12 is: 110,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,390.52 : 204,779.22 = 80,408.12 : x
  2. Step 2: Convert to fraction form
    148,390.52/204,779.22 = 80,408.12/x
  3. Step 3: Cross multiply
    148,390.52x = 204,779.22 × 80,408.12
  4. Step 4: Simplify right side
    148,390.52x = 16,465,912,095.27
  5. Step 5: Solve for x
    x = 16,465,912,095.27/148,390.52
  6. Step 6: Final answer
    x = 110,963.37

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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.