Home / 149,000.30-223,500.45-55,493.90

Finding the Fourth Proportional to 149,000.30, 223,500.45 and 55,493.90

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Solution

The fourth proportional to 149,000.30, 223,500.45 and 55,493.90 is: 83,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.30 : 223,500.45 = 55,493.90 : x
  2. Step 2: Convert to fraction form
    149,000.30/223,500.45 = 55,493.90/x
  3. Step 3: Cross multiply
    149,000.30x = 223,500.45 × 55,493.90
  4. Step 4: Simplify right side
    149,000.30x = 12,402,911,622.26
  5. Step 5: Solve for x
    x = 12,402,911,622.26/149,000.30
  6. Step 6: Final answer
    x = 83,240.85

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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.