Home / 75,387.50-113,133.09-26,139.50

Finding the Fourth Proportional to 75,387.50, 113,133.09 and 26,139.50

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Solution

The fourth proportional to 75,387.50, 113,133.09 and 26,139.50 is: 39,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387.50 : 113,133.09 = 26,139.50 : x
  2. Step 2: Convert to fraction form
    75,387.50/113,133.09 = 26,139.50/x
  3. Step 3: Cross multiply
    75,387.50x = 113,133.09 × 26,139.50
  4. Step 4: Simplify right side
    75,387.50x = 2,957,242,406.06
  5. Step 5: Solve for x
    x = 2,957,242,406.06/75,387.50
  6. Step 6: Final answer
    x = 39,227.22

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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.