Home / 175,542.60-263,141.10-86,809.80

Finding the Fourth Proportional to 175,542.60, 263,141.10 and 86,809.80

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Solution

The fourth proportional to 175,542.60, 263,141.10 and 86,809.80 is: 130,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,542.60 : 263,141.10 = 86,809.80 : x
  2. Step 2: Convert to fraction form
    175,542.60/263,141.10 = 86,809.80/x
  3. Step 3: Cross multiply
    175,542.60x = 263,141.10 × 86,809.80
  4. Step 4: Simplify right side
    175,542.60x = 22,843,226,262.78
  5. Step 5: Solve for x
    x = 22,843,226,262.78/175,542.60
  6. Step 6: Final answer
    x = 130,129.25

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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.