Home / 175,356.20-263,207.10-86,709.80

Finding the Fourth Proportional to 175,356.20, 263,207.10 and 86,709.80

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Solution

The fourth proportional to 175,356.20, 263,207.10 and 86,709.80 is: 130,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,356.20 : 263,207.10 = 86,709.80 : x
  2. Step 2: Convert to fraction form
    175,356.20/263,207.10 = 86,709.80/x
  3. Step 3: Cross multiply
    175,356.20x = 263,207.10 × 86,709.80
  4. Step 4: Simplify right side
    175,356.20x = 22,822,634,999.58
  5. Step 5: Solve for x
    x = 22,822,634,999.58/175,356.20
  6. Step 6: Final answer
    x = 130,150.15

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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.