Home / 106,155.92-159,184.64-39,578.16

Finding the Fourth Proportional to 106,155.92, 159,184.64 and 39,578.16

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Solution

The fourth proportional to 106,155.92, 159,184.64 and 39,578.16 is: 59,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,155.92 : 159,184.64 = 39,578.16 : x
  2. Step 2: Convert to fraction form
    106,155.92/159,184.64 = 39,578.16/x
  3. Step 3: Cross multiply
    106,155.92x = 159,184.64 × 39,578.16
  4. Step 4: Simplify right side
    106,155.92x = 6,300,235,151.46
  5. Step 5: Solve for x
    x = 6,300,235,151.46/106,155.92
  6. Step 6: Final answer
    x = 59,348.88

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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.