Home / 219,117.97-302,301.57-161,895.07

Finding the Fourth Proportional to 219,117.97, 302,301.57 and 161,895.07

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Solution

The fourth proportional to 219,117.97, 302,301.57 and 161,895.07 is: 223,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,117.97 : 302,301.57 = 161,895.07 : x
  2. Step 2: Convert to fraction form
    219,117.97/302,301.57 = 161,895.07/x
  3. Step 3: Cross multiply
    219,117.97x = 302,301.57 × 161,895.07
  4. Step 4: Simplify right side
    219,117.97x = 48,941,133,836.26
  5. Step 5: Solve for x
    x = 48,941,133,836.26/219,117.97
  6. Step 6: Final answer
    x = 223,355.18

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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.