Home / 75,444.69-113,138.78-22,125.63

Finding the Fourth Proportional to 75,444.69, 113,138.78 and 22,125.63

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Solution

The fourth proportional to 75,444.69, 113,138.78 and 22,125.63 is: 33,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,444.69 : 113,138.78 = 22,125.63 : x
  2. Step 2: Convert to fraction form
    75,444.69/113,138.78 = 22,125.63/x
  3. Step 3: Cross multiply
    75,444.69x = 113,138.78 × 22,125.63
  4. Step 4: Simplify right side
    75,444.69x = 2,503,266,674.30
  5. Step 5: Solve for x
    x = 2,503,266,674.30/75,444.69
  6. Step 6: Final answer
    x = 33,180.16

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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.