Home / 137,110.94-205,645.55-52,858.81

Finding the Fourth Proportional to 137,110.94, 205,645.55 and 52,858.81

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Solution

The fourth proportional to 137,110.94, 205,645.55 and 52,858.81 is: 79,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,110.94 : 205,645.55 = 52,858.81 : x
  2. Step 2: Convert to fraction form
    137,110.94/205,645.55 = 52,858.81/x
  3. Step 3: Cross multiply
    137,110.94x = 205,645.55 × 52,858.81
  4. Step 4: Simplify right side
    137,110.94x = 10,870,179,054.80
  5. Step 5: Solve for x
    x = 10,870,179,054.80/137,110.94
  6. Step 6: Final answer
    x = 79,280.17

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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.