Home / 134,454.78-201,662.62-39,680.34

Finding the Fourth Proportional to 134,454.78, 201,662.62 and 39,680.34

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Solution

The fourth proportional to 134,454.78, 201,662.62 and 39,680.34 is: 59,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,454.78 : 201,662.62 = 39,680.34 : x
  2. Step 2: Convert to fraction form
    134,454.78/201,662.62 = 39,680.34/x
  3. Step 3: Cross multiply
    134,454.78x = 201,662.62 × 39,680.34
  4. Step 4: Simplify right side
    134,454.78x = 8,002,041,326.89
  5. Step 5: Solve for x
    x = 8,002,041,326.89/134,454.78
  6. Step 6: Final answer
    x = 59,514.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.