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Finding the Fourth Proportional to 160,414.92, 221,389.08 and 92,434.44

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Solution

The fourth proportional to 160,414.92, 221,389.08 and 92,434.44 is: 127,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,414.92 : 221,389.08 = 92,434.44 : x
  2. Step 2: Convert to fraction form
    160,414.92/221,389.08 = 92,434.44/x
  3. Step 3: Cross multiply
    160,414.92x = 221,389.08 × 92,434.44
  4. Step 4: Simplify right side
    160,414.92x = 20,463,975,631.92
  5. Step 5: Solve for x
    x = 20,463,975,631.92/160,414.92
  6. Step 6: Final answer
    x = 127,569.03

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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.