Home / 175,319.30-262,806.15-86,500.10

Finding the Fourth Proportional to 175,319.30, 262,806.15 and 86,500.10

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Solution

The fourth proportional to 175,319.30, 262,806.15 and 86,500.10 is: 129,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,319.30 : 262,806.15 = 86,500.10 : x
  2. Step 2: Convert to fraction form
    175,319.30/262,806.15 = 86,500.10/x
  3. Step 3: Cross multiply
    175,319.30x = 262,806.15 × 86,500.10
  4. Step 4: Simplify right side
    175,319.30x = 22,732,758,255.62
  5. Step 5: Solve for x
    x = 22,732,758,255.62/175,319.30
  6. Step 6: Final answer
    x = 129,664.89

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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.