Home / 243,961.12-336,668.06-136,541.15

Finding the Fourth Proportional to 243,961.12, 336,668.06 and 136,541.15

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Solution

The fourth proportional to 243,961.12, 336,668.06 and 136,541.15 is: 188,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,961.12 : 336,668.06 = 136,541.15 : x
  2. Step 2: Convert to fraction form
    243,961.12/336,668.06 = 136,541.15/x
  3. Step 3: Cross multiply
    243,961.12x = 336,668.06 × 136,541.15
  4. Step 4: Simplify right side
    243,961.12x = 45,969,044,080.67
  5. Step 5: Solve for x
    x = 45,969,044,080.67/243,961.12
  6. Step 6: Final answer
    x = 188,427.75

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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.