Home / 200,731.38-276,999.93-115,875.78

Finding the Fourth Proportional to 200,731.38, 276,999.93 and 115,875.78

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Solution

The fourth proportional to 200,731.38, 276,999.93 and 115,875.78 is: 159,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,731.38 : 276,999.93 = 115,875.78 : x
  2. Step 2: Convert to fraction form
    200,731.38/276,999.93 = 115,875.78/x
  3. Step 3: Cross multiply
    200,731.38x = 276,999.93 × 115,875.78
  4. Step 4: Simplify right side
    200,731.38x = 32,097,582,948.70
  5. Step 5: Solve for x
    x = 32,097,582,948.70/200,731.38
  6. Step 6: Final answer
    x = 159,903.16

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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.