Home / 125,586.14-188,387.31-55,465.25

Finding the Fourth Proportional to 125,586.14, 188,387.31 and 55,465.25

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Solution

The fourth proportional to 125,586.14, 188,387.31 and 55,465.25 is: 83,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,586.14 : 188,387.31 = 55,465.25 : x
  2. Step 2: Convert to fraction form
    125,586.14/188,387.31 = 55,465.25/x
  3. Step 3: Cross multiply
    125,586.14x = 188,387.31 × 55,465.25
  4. Step 4: Simplify right side
    125,586.14x = 10,448,949,245.98
  5. Step 5: Solve for x
    x = 10,448,949,245.98/125,586.14
  6. Step 6: Final answer
    x = 83,201.45

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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.