Home / 160,601.82-221,639.49-91,711.63

Finding the Fourth Proportional to 160,601.82, 221,639.49 and 91,711.63

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Solution

The fourth proportional to 160,601.82, 221,639.49 and 91,711.63 is: 126,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,601.82 : 221,639.49 = 91,711.63 : x
  2. Step 2: Convert to fraction form
    160,601.82/221,639.49 = 91,711.63/x
  3. Step 3: Cross multiply
    160,601.82x = 221,639.49 × 91,711.63
  4. Step 4: Simplify right side
    160,601.82x = 20,326,917,930.60
  5. Step 5: Solve for x
    x = 20,326,917,930.60/160,601.82
  6. Step 6: Final answer
    x = 126,567.17

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1.5x scale

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.