Home / 175,510.80-263,266.20-86,937.30

Finding the Fourth Proportional to 175,510.80, 263,266.20 and 86,937.30

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Solution

The fourth proportional to 175,510.80, 263,266.20 and 86,937.30 is: 130,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,510.80 : 263,266.20 = 86,937.30 : x
  2. Step 2: Convert to fraction form
    175,510.80/263,266.20 = 86,937.30/x
  3. Step 3: Cross multiply
    175,510.80x = 263,266.20 × 86,937.30
  4. Step 4: Simplify right side
    175,510.80x = 22,887,652,609.26
  5. Step 5: Solve for x
    x = 22,887,652,609.26/175,510.80
  6. Step 6: Final answer
    x = 130,405.95

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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.