Home / 243,947.50-336,682.77-140,561.90

Finding the Fourth Proportional to 243,947.50, 336,682.77 and 140,561.90

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Solution

The fourth proportional to 243,947.50, 336,682.77 and 140,561.90 is: 193,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,947.50 : 336,682.77 = 140,561.90 : x
  2. Step 2: Convert to fraction form
    243,947.50/336,682.77 = 140,561.90/x
  3. Step 3: Cross multiply
    243,947.50x = 336,682.77 × 140,561.90
  4. Step 4: Simplify right side
    243,947.50x = 47,324,768,303.95
  5. Step 5: Solve for x
    x = 47,324,768,303.95/243,947.50
  6. Step 6: Final answer
    x = 193,995.71

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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.