Home / 160,826.68-221,795.56-100,402.96

Finding the Fourth Proportional to 160,826.68, 221,795.56 and 100,402.96

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Solution

The fourth proportional to 160,826.68, 221,795.56 and 100,402.96 is: 138,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.68 : 221,795.56 = 100,402.96 : x
  2. Step 2: Convert to fraction form
    160,826.68/221,795.56 = 100,402.96/x
  3. Step 3: Cross multiply
    160,826.68x = 221,795.56 × 100,402.96
  4. Step 4: Simplify right side
    160,826.68x = 22,268,930,738.86
  5. Step 5: Solve for x
    x = 22,268,930,738.86/160,826.68
  6. Step 6: Final answer
    x = 138,465.40

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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.