Home / 148,948.60-223,428.30-43,778.20

Finding the Fourth Proportional to 148,948.60, 223,428.30 and 43,778.20

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Solution

The fourth proportional to 148,948.60, 223,428.30 and 43,778.20 is: 65,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,948.60 : 223,428.30 = 43,778.20 : x
  2. Step 2: Convert to fraction form
    148,948.60/223,428.30 = 43,778.20/x
  3. Step 3: Cross multiply
    148,948.60x = 223,428.30 × 43,778.20
  4. Step 4: Simplify right side
    148,948.60x = 9,781,288,803.06
  5. Step 5: Solve for x
    x = 9,781,288,803.06/148,948.60
  6. Step 6: Final answer
    x = 65,668.89

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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.