Home / 181,517.24-250,479.36-100,940

Finding the Fourth Proportional to 181,517.24, 250,479.36 and 100,940

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Solution

The fourth proportional to 181,517.24, 250,479.36 and 100,940 is: 139,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,517.24 : 250,479.36 = 100,940 : x
  2. Step 2: Convert to fraction form
    181,517.24/250,479.36 = 100,940/x
  3. Step 3: Cross multiply
    181,517.24x = 250,479.36 × 100,940
  4. Step 4: Simplify right side
    181,517.24x = 25,283,386,598.40
  5. Step 5: Solve for x
    x = 25,283,386,598.40/181,517.24
  6. Step 6: Final answer
    x = 139,289.17

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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.