Home / 75,424.37-113,136.45-19,264.53

Finding the Fourth Proportional to 75,424.37, 113,136.45 and 19,264.53

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Solution

The fourth proportional to 75,424.37, 113,136.45 and 19,264.53 is: 28,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.37 : 113,136.45 = 19,264.53 : x
  2. Step 2: Convert to fraction form
    75,424.37/113,136.45 = 19,264.53/x
  3. Step 3: Cross multiply
    75,424.37x = 113,136.45 × 19,264.53
  4. Step 4: Simplify right side
    75,424.37x = 2,179,520,887.14
  5. Step 5: Solve for x
    x = 2,179,520,887.14/75,424.37
  6. Step 6: Final answer
    x = 28,896.77

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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.