Home / 148,867.40-223,301.10-85,622.60

Finding the Fourth Proportional to 148,867.40, 223,301.10 and 85,622.60

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Solution

The fourth proportional to 148,867.40, 223,301.10 and 85,622.60 is: 128,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,867.40 : 223,301.10 = 85,622.60 : x
  2. Step 2: Convert to fraction form
    148,867.40/223,301.10 = 85,622.60/x
  3. Step 3: Cross multiply
    148,867.40x = 223,301.10 × 85,622.60
  4. Step 4: Simplify right side
    148,867.40x = 19,119,620,764.86
  5. Step 5: Solve for x
    x = 19,119,620,764.86/148,867.40
  6. Step 6: Final answer
    x = 128,433.90

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1.5x scale

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.