Home / 243,327.24-335,767.68-139,964.76

Finding the Fourth Proportional to 243,327.24, 335,767.68 and 139,964.76

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Solution

The fourth proportional to 243,327.24, 335,767.68 and 139,964.76 is: 193,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,327.24 : 335,767.68 = 139,964.76 : x
  2. Step 2: Convert to fraction form
    243,327.24/335,767.68 = 139,964.76/x
  3. Step 3: Cross multiply
    243,327.24x = 335,767.68 × 139,964.76
  4. Step 4: Simplify right side
    243,327.24x = 46,995,642,746.96
  5. Step 5: Solve for x
    x = 46,995,642,746.96/243,327.24
  6. Step 6: Final answer
    x = 193,137.61

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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.