Home / 197,565.71-296,338.12-55,420.79

Finding the Fourth Proportional to 197,565.71, 296,338.12 and 55,420.79

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Solution

The fourth proportional to 197,565.71, 296,338.12 and 55,420.79 is: 83,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,565.71 : 296,338.12 = 55,420.79 : x
  2. Step 2: Convert to fraction form
    197,565.71/296,338.12 = 55,420.79/x
  3. Step 3: Cross multiply
    197,565.71x = 296,338.12 × 55,420.79
  4. Step 4: Simplify right side
    197,565.71x = 16,423,291,097.27
  5. Step 5: Solve for x
    x = 16,423,291,097.27/197,565.71
  6. Step 6: Final answer
    x = 83,128.25

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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.