Home / 196,815.60-295,252.20-103,328.40

Finding the Fourth Proportional to 196,815.60, 295,252.20 and 103,328.40

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Solution

The fourth proportional to 196,815.60, 295,252.20 and 103,328.40 is: 155,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,815.60 : 295,252.20 = 103,328.40 : x
  2. Step 2: Convert to fraction form
    196,815.60/295,252.20 = 103,328.40/x
  3. Step 3: Cross multiply
    196,815.60x = 295,252.20 × 103,328.40
  4. Step 4: Simplify right side
    196,815.60x = 30,507,937,422.48
  5. Step 5: Solve for x
    x = 30,507,937,422.48/196,815.60
  6. Step 6: Final answer
    x = 155,007.72

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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.