Home / 149,029.20-223,543.80-139,114.80

Finding the Fourth Proportional to 149,029.20, 223,543.80 and 139,114.80

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Solution

The fourth proportional to 149,029.20, 223,543.80 and 139,114.80 is: 208,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,029.20 : 223,543.80 = 139,114.80 : x
  2. Step 2: Convert to fraction form
    149,029.20/223,543.80 = 139,114.80/x
  3. Step 3: Cross multiply
    149,029.20x = 223,543.80 × 139,114.80
  4. Step 4: Simplify right side
    149,029.20x = 31,098,251,028.24
  5. Step 5: Solve for x
    x = 31,098,251,028.24/149,029.20
  6. Step 6: Final answer
    x = 208,672.20

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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.