Home / 218,966.09-302,150.66-161,635.91

Finding the Fourth Proportional to 218,966.09, 302,150.66 and 161,635.91

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Solution

The fourth proportional to 218,966.09, 302,150.66 and 161,635.91 is: 223,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,966.09 : 302,150.66 = 161,635.91 : x
  2. Step 2: Convert to fraction form
    218,966.09/302,150.66 = 161,635.91/x
  3. Step 3: Cross multiply
    218,966.09x = 302,150.66 × 161,635.91
  4. Step 4: Simplify right side
    218,966.09x = 48,838,394,567.27
  5. Step 5: Solve for x
    x = 48,838,394,567.27/218,966.09
  6. Step 6: Final answer
    x = 223,040.91

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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.