Home / 152,823.20-229,234.80-40,503.20

Finding the Fourth Proportional to 152,823.20, 229,234.80 and 40,503.20

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Solution

The fourth proportional to 152,823.20, 229,234.80 and 40,503.20 is: 60,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,823.20 : 229,234.80 = 40,503.20 : x
  2. Step 2: Convert to fraction form
    152,823.20/229,234.80 = 40,503.20/x
  3. Step 3: Cross multiply
    152,823.20x = 229,234.80 × 40,503.20
  4. Step 4: Simplify right side
    152,823.20x = 9,284,742,951.36
  5. Step 5: Solve for x
    x = 9,284,742,951.36/152,823.20
  6. Step 6: Final answer
    x = 60,754.80

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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.