Home / 164,980.24-227,679.19-91,394.57

Finding the Fourth Proportional to 164,980.24, 227,679.19 and 91,394.57

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Solution

The fourth proportional to 164,980.24, 227,679.19 and 91,394.57 is: 126,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,980.24 : 227,679.19 = 91,394.57 : x
  2. Step 2: Convert to fraction form
    164,980.24/227,679.19 = 91,394.57/x
  3. Step 3: Cross multiply
    164,980.24x = 227,679.19 × 91,394.57
  4. Step 4: Simplify right side
    164,980.24x = 20,808,642,008.71
  5. Step 5: Solve for x
    x = 20,808,642,008.71/164,980.24
  6. Step 6: Final answer
    x = 126,128.09

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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.