Home / 149,619.88-206,596.74-142,854.76

Finding the Fourth Proportional to 149,619.88, 206,596.74 and 142,854.76

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Solution

The fourth proportional to 149,619.88, 206,596.74 and 142,854.76 is: 197,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619.88 : 206,596.74 = 142,854.76 : x
  2. Step 2: Convert to fraction form
    149,619.88/206,596.74 = 142,854.76/x
  3. Step 3: Cross multiply
    149,619.88x = 206,596.74 × 142,854.76
  4. Step 4: Simplify right side
    149,619.88x = 29,513,327,709.48
  5. Step 5: Solve for x
    x = 29,513,327,709.48/149,619.88
  6. Step 6: Final answer
    x = 197,255.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.