Home / 125,359.11-188,103.33-83,268.27

Finding the Fourth Proportional to 125,359.11, 188,103.33 and 83,268.27

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Solution

The fourth proportional to 125,359.11, 188,103.33 and 83,268.27 is: 124,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,359.11 : 188,103.33 = 83,268.27 : x
  2. Step 2: Convert to fraction form
    125,359.11/188,103.33 = 83,268.27/x
  3. Step 3: Cross multiply
    125,359.11x = 188,103.33 × 83,268.27
  4. Step 4: Simplify right side
    125,359.11x = 15,663,038,870.34
  5. Step 5: Solve for x
    x = 15,663,038,870.34/125,359.11
  6. Step 6: Final answer
    x = 124,945.36

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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.