Home / 196,282.40-294,279.60-77,895.20

Finding the Fourth Proportional to 196,282.40, 294,279.60 and 77,895.20

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Solution

The fourth proportional to 196,282.40, 294,279.60 and 77,895.20 is: 116,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,282.40 : 294,279.60 = 77,895.20 : x
  2. Step 2: Convert to fraction form
    196,282.40/294,279.60 = 77,895.20/x
  3. Step 3: Cross multiply
    196,282.40x = 294,279.60 × 77,895.20
  4. Step 4: Simplify right side
    196,282.40x = 22,922,968,297.92
  5. Step 5: Solve for x
    x = 22,922,968,297.92/196,282.40
  6. Step 6: Final answer
    x = 116,785.65

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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.