Home / 161,969.76-223,397.73-118,935.72

Finding the Fourth Proportional to 161,969.76, 223,397.73 and 118,935.72

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Solution

The fourth proportional to 161,969.76, 223,397.73 and 118,935.72 is: 164,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,969.76 : 223,397.73 = 118,935.72 : x
  2. Step 2: Convert to fraction form
    161,969.76/223,397.73 = 118,935.72/x
  3. Step 3: Cross multiply
    161,969.76x = 223,397.73 × 118,935.72
  4. Step 4: Simplify right side
    161,969.76x = 26,569,969,863.92
  5. Step 5: Solve for x
    x = 26,569,969,863.92/161,969.76
  6. Step 6: Final answer
    x = 164,042.78

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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.