Home / 125,891.55-188,837.33-124,579.35

Finding the Fourth Proportional to 125,891.55, 188,837.33 and 124,579.35

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Solution

The fourth proportional to 125,891.55, 188,837.33 and 124,579.35 is: 186,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,891.55 : 188,837.33 = 124,579.35 : x
  2. Step 2: Convert to fraction form
    125,891.55/188,837.33 = 124,579.35/x
  3. Step 3: Cross multiply
    125,891.55x = 188,837.33 × 124,579.35
  4. Step 4: Simplify right side
    125,891.55x = 23,525,231,204.24
  5. Step 5: Solve for x
    x = 23,525,231,204.24/125,891.55
  6. Step 6: Final answer
    x = 186,869.03

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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.