Home / 142,306.20-213,491.88-48,811.68

Finding the Fourth Proportional to 142,306.20, 213,491.88 and 48,811.68

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Solution

The fourth proportional to 142,306.20, 213,491.88 and 48,811.68 is: 73,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,306.20 : 213,491.88 = 48,811.68 : x
  2. Step 2: Convert to fraction form
    142,306.20/213,491.88 = 48,811.68/x
  3. Step 3: Cross multiply
    142,306.20x = 213,491.88 × 48,811.68
  4. Step 4: Simplify right side
    142,306.20x = 10,420,897,329.16
  5. Step 5: Solve for x
    x = 10,420,897,329.16/142,306.20
  6. Step 6: Final answer
    x = 73,228.70

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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.