Home / 160,820.28-221,942.06-92,849.72

Finding the Fourth Proportional to 160,820.28, 221,942.06 and 92,849.72

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Solution

The fourth proportional to 160,820.28, 221,942.06 and 92,849.72 is: 128,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,820.28 : 221,942.06 = 92,849.72 : x
  2. Step 2: Convert to fraction form
    160,820.28/221,942.06 = 92,849.72/x
  3. Step 3: Cross multiply
    160,820.28x = 221,942.06 × 92,849.72
  4. Step 4: Simplify right side
    160,820.28x = 20,607,256,553.26
  5. Step 5: Solve for x
    x = 20,607,256,553.26/160,820.28
  6. Step 6: Final answer
    x = 128,138.42

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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.