Home / 138,226.24-207,309.28-53,959.28

Finding the Fourth Proportional to 138,226.24, 207,309.28 and 53,959.28

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Solution

The fourth proportional to 138,226.24, 207,309.28 and 53,959.28 is: 80,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,226.24 : 207,309.28 = 53,959.28 : x
  2. Step 2: Convert to fraction form
    138,226.24/207,309.28 = 53,959.28/x
  3. Step 3: Cross multiply
    138,226.24x = 207,309.28 × 53,959.28
  4. Step 4: Simplify right side
    138,226.24x = 11,186,259,486.12
  5. Step 5: Solve for x
    x = 11,186,259,486.12/138,226.24
  6. Step 6: Final answer
    x = 80,927.18

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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.