Home / 165,954.30-249,086.97-87,125.10

Finding the Fourth Proportional to 165,954.30, 249,086.97 and 87,125.10

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Solution

The fourth proportional to 165,954.30, 249,086.97 and 87,125.10 is: 130,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,954.30 : 249,086.97 = 87,125.10 : x
  2. Step 2: Convert to fraction form
    165,954.30/249,086.97 = 87,125.10/x
  3. Step 3: Cross multiply
    165,954.30x = 249,086.97 × 87,125.10
  4. Step 4: Simplify right side
    165,954.30x = 21,701,727,169.95
  5. Step 5: Solve for x
    x = 21,701,727,169.95/165,954.30
  6. Step 6: Final answer
    x = 130,769.30

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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.