Home / 202,275.10-303,121.05-89,863.30

Finding the Fourth Proportional to 202,275.10, 303,121.05 and 89,863.30

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Solution

The fourth proportional to 202,275.10, 303,121.05 and 89,863.30 is: 134,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,275.10 : 303,121.05 = 89,863.30 : x
  2. Step 2: Convert to fraction form
    202,275.10/303,121.05 = 89,863.30/x
  3. Step 3: Cross multiply
    202,275.10x = 303,121.05 × 89,863.30
  4. Step 4: Simplify right side
    202,275.10x = 27,239,457,852.47
  5. Step 5: Solve for x
    x = 27,239,457,852.47/202,275.10
  6. Step 6: Final answer
    x = 134,665.40

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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.