Home / 243,575.24-336,110.76-136,142.82

Finding the Fourth Proportional to 243,575.24, 336,110.76 and 136,142.82

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Solution

The fourth proportional to 243,575.24, 336,110.76 and 136,142.82 is: 187,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,575.24 : 336,110.76 = 136,142.82 : x
  2. Step 2: Convert to fraction form
    243,575.24/336,110.76 = 136,142.82/x
  3. Step 3: Cross multiply
    243,575.24x = 336,110.76 × 136,142.82
  4. Step 4: Simplify right side
    243,575.24x = 45,759,066,698.74
  5. Step 5: Solve for x
    x = 45,759,066,698.74/243,575.24
  6. Step 6: Final answer
    x = 187,864.20

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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.