Home / 106,639.30-159,835.92-40,036.95

Finding the Fourth Proportional to 106,639.30, 159,835.92 and 40,036.95

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Solution

The fourth proportional to 106,639.30, 159,835.92 and 40,036.95 is: 60,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,639.30 : 159,835.92 = 40,036.95 : x
  2. Step 2: Convert to fraction form
    106,639.30/159,835.92 = 40,036.95/x
  3. Step 3: Cross multiply
    106,639.30x = 159,835.92 × 40,036.95
  4. Step 4: Simplify right side
    106,639.30x = 6,399,341,737.88
  5. Step 5: Solve for x
    x = 6,399,341,737.88/106,639.30
  6. Step 6: Final answer
    x = 60,009.23

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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.