Home / 202,665.24-279,639.54-127,179.72

Finding the Fourth Proportional to 202,665.24, 279,639.54 and 127,179.72

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Solution

The fourth proportional to 202,665.24, 279,639.54 and 127,179.72 is: 175,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,665.24 : 279,639.54 = 127,179.72 : x
  2. Step 2: Convert to fraction form
    202,665.24/279,639.54 = 127,179.72/x
  3. Step 3: Cross multiply
    202,665.24x = 279,639.54 × 127,179.72
  4. Step 4: Simplify right side
    202,665.24x = 35,564,478,398.13
  5. Step 5: Solve for x
    x = 35,564,478,398.13/202,665.24
  6. Step 6: Final answer
    x = 175,483.86

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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.