Home / 159,636.68-221,249.55-156,647.32

Finding the Fourth Proportional to 159,636.68, 221,249.55 and 156,647.32

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Solution

The fourth proportional to 159,636.68, 221,249.55 and 156,647.32 is: 217,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,636.68 : 221,249.55 = 156,647.32 : x
  2. Step 2: Convert to fraction form
    159,636.68/221,249.55 = 156,647.32/x
  3. Step 3: Cross multiply
    159,636.68x = 221,249.55 × 156,647.32
  4. Step 4: Simplify right side
    159,636.68x = 34,658,149,456.40
  5. Step 5: Solve for x
    x = 34,658,149,456.40/159,636.68
  6. Step 6: Final answer
    x = 217,106.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.