Home / 75,424.05-113,137.10-19,264.62

Finding the Fourth Proportional to 75,424.05, 113,137.10 and 19,264.62

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Solution

The fourth proportional to 75,424.05, 113,137.10 and 19,264.62 is: 28,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.05 : 113,137.10 = 19,264.62 : x
  2. Step 2: Convert to fraction form
    75,424.05/113,137.10 = 19,264.62/x
  3. Step 3: Cross multiply
    75,424.05x = 113,137.10 × 19,264.62
  4. Step 4: Simplify right side
    75,424.05x = 2,179,543,466.94
  5. Step 5: Solve for x
    x = 2,179,543,466.94/75,424.05
  6. Step 6: Final answer
    x = 28,897.20

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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.