Home / 148,771.96-223,147.14-48,931

Finding the Fourth Proportional to 148,771.96, 223,147.14 and 48,931

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Solution

The fourth proportional to 148,771.96, 223,147.14 and 48,931 is: 73,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,771.96 : 223,147.14 = 48,931 : x
  2. Step 2: Convert to fraction form
    148,771.96/223,147.14 = 48,931/x
  3. Step 3: Cross multiply
    148,771.96x = 223,147.14 × 48,931
  4. Step 4: Simplify right side
    148,771.96x = 10,918,812,707.34
  5. Step 5: Solve for x
    x = 10,918,812,707.34/148,771.96
  6. Step 6: Final answer
    x = 73,392.95

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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.