Home / 175,208.28-262,851.30-81,663

Finding the Fourth Proportional to 175,208.28, 262,851.30 and 81,663

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Solution

The fourth proportional to 175,208.28, 262,851.30 and 81,663 is: 122,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,208.28 : 262,851.30 = 81,663 : x
  2. Step 2: Convert to fraction form
    175,208.28/262,851.30 = 81,663/x
  3. Step 3: Cross multiply
    175,208.28x = 262,851.30 × 81,663
  4. Step 4: Simplify right side
    175,208.28x = 21,465,225,711.90
  5. Step 5: Solve for x
    x = 21,465,225,711.90/175,208.28
  6. Step 6: Final answer
    x = 122,512.62

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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.