Home / 196,829.28-295,062.24-78,472

Finding the Fourth Proportional to 196,829.28, 295,062.24 and 78,472

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Solution

The fourth proportional to 196,829.28, 295,062.24 and 78,472 is: 117,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,829.28 : 295,062.24 = 78,472 : x
  2. Step 2: Convert to fraction form
    196,829.28/295,062.24 = 78,472/x
  3. Step 3: Cross multiply
    196,829.28x = 295,062.24 × 78,472
  4. Step 4: Simplify right side
    196,829.28x = 23,154,124,097.28
  5. Step 5: Solve for x
    x = 23,154,124,097.28/196,829.28
  6. Step 6: Final answer
    x = 117,635.57

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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.