Home / 125,299.80-187,699.05-75,352.37

Finding the Fourth Proportional to 125,299.80, 187,699.05 and 75,352.37

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Solution

The fourth proportional to 125,299.80, 187,699.05 and 75,352.37 is: 112,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,299.80 : 187,699.05 = 75,352.37 : x
  2. Step 2: Convert to fraction form
    125,299.80/187,699.05 = 75,352.37/x
  3. Step 3: Cross multiply
    125,299.80x = 187,699.05 × 75,352.37
  4. Step 4: Simplify right side
    125,299.80x = 14,143,567,325.75
  5. Step 5: Solve for x
    x = 14,143,567,325.75/125,299.80
  6. Step 6: Final answer
    x = 112,877.81

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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.