Home / 175,239.20-263,031.60-86,592.80

Finding the Fourth Proportional to 175,239.20, 263,031.60 and 86,592.80

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Solution

The fourth proportional to 175,239.20, 263,031.60 and 86,592.80 is: 129,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,239.20 : 263,031.60 = 86,592.80 : x
  2. Step 2: Convert to fraction form
    175,239.20/263,031.60 = 86,592.80/x
  3. Step 3: Cross multiply
    175,239.20x = 263,031.60 × 86,592.80
  4. Step 4: Simplify right side
    175,239.20x = 22,776,642,732.48
  5. Step 5: Solve for x
    x = 22,776,642,732.48/175,239.20
  6. Step 6: Final answer
    x = 129,974.59

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1.5x scale

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.