Home / 202,287.10-303,139.05-89,875.30

Finding the Fourth Proportional to 202,287.10, 303,139.05 and 89,875.30

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Solution

The fourth proportional to 202,287.10, 303,139.05 and 89,875.30 is: 134,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,287.10 : 303,139.05 = 89,875.30 : x
  2. Step 2: Convert to fraction form
    202,287.10/303,139.05 = 89,875.30/x
  3. Step 3: Cross multiply
    202,287.10x = 303,139.05 × 89,875.30
  4. Step 4: Simplify right side
    202,287.10x = 27,244,713,060.47
  5. Step 5: Solve for x
    x = 27,244,713,060.47/202,287.10
  6. Step 6: Final answer
    x = 134,683.39

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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.