Home / 175,028.30-262,369.65-86,209.10

Finding the Fourth Proportional to 175,028.30, 262,369.65 and 86,209.10

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Solution

The fourth proportional to 175,028.30, 262,369.65 and 86,209.10 is: 129,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,028.30 : 262,369.65 = 86,209.10 : x
  2. Step 2: Convert to fraction form
    175,028.30/262,369.65 = 86,209.10/x
  3. Step 3: Cross multiply
    175,028.30x = 262,369.65 × 86,209.10
  4. Step 4: Simplify right side
    175,028.30x = 22,618,651,393.82
  5. Step 5: Solve for x
    x = 22,618,651,393.82/175,028.30
  6. Step 6: Final answer
    x = 129,228.54

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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.