Home / 75,510.75-113,266.49-20,106.75

Finding the Fourth Proportional to 75,510.75, 113,266.49 and 20,106.75

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Solution

The fourth proportional to 75,510.75, 113,266.49 and 20,106.75 is: 30,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.75 : 113,266.49 = 20,106.75 : x
  2. Step 2: Convert to fraction form
    75,510.75/113,266.49 = 20,106.75/x
  3. Step 3: Cross multiply
    75,510.75x = 113,266.49 × 20,106.75
  4. Step 4: Simplify right side
    75,510.75x = 2,277,420,897.27
  5. Step 5: Solve for x
    x = 2,277,420,897.27/75,510.75
  6. Step 6: Final answer
    x = 30,160.22

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1.5x scale

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.