Home / 243,883.80-365,826.24-131,616.78

Finding the Fourth Proportional to 243,883.80, 365,826.24 and 131,616.78

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Solution

The fourth proportional to 243,883.80, 365,826.24 and 131,616.78 is: 197,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,883.80 : 365,826.24 = 131,616.78 : x
  2. Step 2: Convert to fraction form
    243,883.80/365,826.24 = 131,616.78/x
  3. Step 3: Cross multiply
    243,883.80x = 365,826.24 × 131,616.78
  4. Step 4: Simplify right side
    243,883.80x = 48,148,871,748.31
  5. Step 5: Solve for x
    x = 48,148,871,748.31/243,883.80
  6. Step 6: Final answer
    x = 197,425.46

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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.