Home / 106,500.78-159,833.79-40,001.40

Finding the Fourth Proportional to 106,500.78, 159,833.79 and 40,001.40

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Solution

The fourth proportional to 106,500.78, 159,833.79 and 40,001.40 is: 60,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,500.78 : 159,833.79 = 40,001.40 : x
  2. Step 2: Convert to fraction form
    106,500.78/159,833.79 = 40,001.40/x
  3. Step 3: Cross multiply
    106,500.78x = 159,833.79 × 40,001.40
  4. Step 4: Simplify right side
    106,500.78x = 6,393,575,367.31
  5. Step 5: Solve for x
    x = 6,393,575,367.31/106,500.78
  6. Step 6: Final answer
    x = 60,033.13

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1.5x scale

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.