Home / 175,278.20-262,917.30-81,966.20

Finding the Fourth Proportional to 175,278.20, 262,917.30 and 81,966.20

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Solution

The fourth proportional to 175,278.20, 262,917.30 and 81,966.20 is: 122,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,278.20 : 262,917.30 = 81,966.20 : x
  2. Step 2: Convert to fraction form
    175,278.20/262,917.30 = 81,966.20/x
  3. Step 3: Cross multiply
    175,278.20x = 262,917.30 × 81,966.20
  4. Step 4: Simplify right side
    175,278.20x = 21,550,331,995.26
  5. Step 5: Solve for x
    x = 21,550,331,995.26/175,278.20
  6. Step 6: Final answer
    x = 122,949.30

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1.5x scale

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.