Home / 199,089.75-298,454.10-99,280.56

Finding the Fourth Proportional to 199,089.75, 298,454.10 and 99,280.56

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Solution

The fourth proportional to 199,089.75, 298,454.10 and 99,280.56 is: 148,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,089.75 : 298,454.10 = 99,280.56 : x
  2. Step 2: Convert to fraction form
    199,089.75/298,454.10 = 99,280.56/x
  3. Step 3: Cross multiply
    199,089.75x = 298,454.10 × 99,280.56
  4. Step 4: Simplify right side
    199,089.75x = 29,630,690,182.30
  5. Step 5: Solve for x
    x = 29,630,690,182.30/199,089.75
  6. Step 6: Final answer
    x = 148,830.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.