Home / 236,576.12-354,910.40-86,817.48

Finding the Fourth Proportional to 236,576.12, 354,910.40 and 86,817.48

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Solution

The fourth proportional to 236,576.12, 354,910.40 and 86,817.48 is: 130,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,576.12 : 354,910.40 = 86,817.48 : x
  2. Step 2: Convert to fraction form
    236,576.12/354,910.40 = 86,817.48/x
  3. Step 3: Cross multiply
    236,576.12x = 354,910.40 × 86,817.48
  4. Step 4: Simplify right side
    236,576.12x = 30,812,426,119.70
  5. Step 5: Solve for x
    x = 30,812,426,119.70/236,576.12
  6. Step 6: Final answer
    x = 130,243.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.