Home / 152,885.20-229,327.80-40,565.20

Finding the Fourth Proportional to 152,885.20, 229,327.80 and 40,565.20

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Solution

The fourth proportional to 152,885.20, 229,327.80 and 40,565.20 is: 60,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,885.20 : 229,327.80 = 40,565.20 : x
  2. Step 2: Convert to fraction form
    152,885.20/229,327.80 = 40,565.20/x
  3. Step 3: Cross multiply
    152,885.20x = 229,327.80 × 40,565.20
  4. Step 4: Simplify right side
    152,885.20x = 9,302,728,072.56
  5. Step 5: Solve for x
    x = 9,302,728,072.56/152,885.20
  6. Step 6: Final answer
    x = 60,847.80

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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.