Home / 160,813.92-221,936.82-89,217

Finding the Fourth Proportional to 160,813.92, 221,936.82 and 89,217

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Solution

The fourth proportional to 160,813.92, 221,936.82 and 89,217 is: 123,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,813.92 : 221,936.82 = 89,217 : x
  2. Step 2: Convert to fraction form
    160,813.92/221,936.82 = 89,217/x
  3. Step 3: Cross multiply
    160,813.92x = 221,936.82 × 89,217
  4. Step 4: Simplify right side
    160,813.92x = 19,800,537,269.94
  5. Step 5: Solve for x
    x = 19,800,537,269.94/160,813.92
  6. Step 6: Final answer
    x = 123,127.01

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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.