Home / 152,948.80-229,423.20-68,749.30

Finding the Fourth Proportional to 152,948.80, 229,423.20 and 68,749.30

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Solution

The fourth proportional to 152,948.80, 229,423.20 and 68,749.30 is: 103,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,948.80 : 229,423.20 = 68,749.30 : x
  2. Step 2: Convert to fraction form
    152,948.80/229,423.20 = 68,749.30/x
  3. Step 3: Cross multiply
    152,948.80x = 229,423.20 × 68,749.30
  4. Step 4: Simplify right side
    152,948.80x = 15,772,684,403.76
  5. Step 5: Solve for x
    x = 15,772,684,403.76/152,948.80
  6. Step 6: Final answer
    x = 103,123.95

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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.