Home / 149,230.80-223,554.60-89,890.20

Finding the Fourth Proportional to 149,230.80, 223,554.60 and 89,890.20

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Solution

The fourth proportional to 149,230.80, 223,554.60 and 89,890.20 is: 134,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230.80 : 223,554.60 = 89,890.20 : x
  2. Step 2: Convert to fraction form
    149,230.80/223,554.60 = 89,890.20/x
  3. Step 3: Cross multiply
    149,230.80x = 223,554.60 × 89,890.20
  4. Step 4: Simplify right side
    149,230.80x = 20,095,367,704.92
  5. Step 5: Solve for x
    x = 20,095,367,704.92/149,230.80
  6. Step 6: Final answer
    x = 134,659.65

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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.