Home / 243,982.76-336,706.73-135,087.10

Finding the Fourth Proportional to 243,982.76, 336,706.73 and 135,087.10

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Solution

The fourth proportional to 243,982.76, 336,706.73 and 135,087.10 is: 186,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,982.76 : 336,706.73 = 135,087.10 : x
  2. Step 2: Convert to fraction form
    243,982.76/336,706.73 = 135,087.10/x
  3. Step 3: Cross multiply
    243,982.76x = 336,706.73 × 135,087.10
  4. Step 4: Simplify right side
    243,982.76x = 45,484,734,022.65
  5. Step 5: Solve for x
    x = 45,484,734,022.65/243,982.76
  6. Step 6: Final answer
    x = 186,426.02

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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.