Home / 202,381.28-279,264.96-117,481.76

Finding the Fourth Proportional to 202,381.28, 279,264.96 and 117,481.76

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Solution

The fourth proportional to 202,381.28, 279,264.96 and 117,481.76 is: 162,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,381.28 : 279,264.96 = 117,481.76 : x
  2. Step 2: Convert to fraction form
    202,381.28/279,264.96 = 117,481.76/x
  3. Step 3: Cross multiply
    202,381.28x = 279,264.96 × 117,481.76
  4. Step 4: Simplify right side
    202,381.28x = 32,808,539,007.13
  5. Step 5: Solve for x
    x = 32,808,539,007.13/202,381.28
  6. Step 6: Final answer
    x = 162,112.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.