Home / 148,867.80-223,298.10-89,658.60

Finding the Fourth Proportional to 148,867.80, 223,298.10 and 89,658.60

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Solution

The fourth proportional to 148,867.80, 223,298.10 and 89,658.60 is: 134,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,867.80 : 223,298.10 = 89,658.60 : x
  2. Step 2: Convert to fraction form
    148,867.80/223,298.10 = 89,658.60/x
  3. Step 3: Cross multiply
    148,867.80x = 223,298.10 × 89,658.60
  4. Step 4: Simplify right side
    148,867.80x = 20,020,595,028.66
  5. Step 5: Solve for x
    x = 20,020,595,028.66/148,867.80
  6. Step 6: Final answer
    x = 134,485.73

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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.