Home / 106,350.08-159,561.40-66,860.96

Finding the Fourth Proportional to 106,350.08, 159,561.40 and 66,860.96

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Solution

The fourth proportional to 106,350.08, 159,561.40 and 66,860.96 is: 100,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,350.08 : 159,561.40 = 66,860.96 : x
  2. Step 2: Convert to fraction form
    106,350.08/159,561.40 = 66,860.96/x
  3. Step 3: Cross multiply
    106,350.08x = 159,561.40 × 66,860.96
  4. Step 4: Simplify right side
    106,350.08x = 10,668,428,382.94
  5. Step 5: Solve for x
    x = 10,668,428,382.94/106,350.08
  6. Step 6: Final answer
    x = 100,314.25

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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.