Home / 142,799.04-197,059.32-82,369.68

Finding the Fourth Proportional to 142,799.04, 197,059.32 and 82,369.68

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Solution

The fourth proportional to 142,799.04, 197,059.32 and 82,369.68 is: 113,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,799.04 : 197,059.32 = 82,369.68 : x
  2. Step 2: Convert to fraction form
    142,799.04/197,059.32 = 82,369.68/x
  3. Step 3: Cross multiply
    142,799.04x = 197,059.32 × 82,369.68
  4. Step 4: Simplify right side
    142,799.04x = 16,231,713,129.42
  5. Step 5: Solve for x
    x = 16,231,713,129.42/142,799.04
  6. Step 6: Final answer
    x = 113,668.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.