Home / 189,822.75-284,626.30-77,371.26

Finding the Fourth Proportional to 189,822.75, 284,626.30 and 77,371.26

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Solution

The fourth proportional to 189,822.75, 284,626.30 and 77,371.26 is: 116,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,822.75 : 284,626.30 = 77,371.26 : x
  2. Step 2: Convert to fraction form
    189,822.75/284,626.30 = 77,371.26/x
  3. Step 3: Cross multiply
    189,822.75x = 284,626.30 × 77,371.26
  4. Step 4: Simplify right side
    189,822.75x = 22,021,895,460.14
  5. Step 5: Solve for x
    x = 22,021,895,460.14/189,822.75
  6. Step 6: Final answer
    x = 116,012.94

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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.