Home / 103,329.94-154,850.57-55,842.66

Finding the Fourth Proportional to 103,329.94, 154,850.57 and 55,842.66

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Solution

The fourth proportional to 103,329.94, 154,850.57 and 55,842.66 is: 83,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,329.94 : 154,850.57 = 55,842.66 : x
  2. Step 2: Convert to fraction form
    103,329.94/154,850.57 = 55,842.66/x
  3. Step 3: Cross multiply
    103,329.94x = 154,850.57 × 55,842.66
  4. Step 4: Simplify right side
    103,329.94x = 8,647,267,661.51
  5. Step 5: Solve for x
    x = 8,647,267,661.51/103,329.94
  6. Step 6: Final answer
    x = 83,685.98

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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.