Home / 131,820.69-197,668.89-47,569.85

Finding the Fourth Proportional to 131,820.69, 197,668.89 and 47,569.85

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Solution

The fourth proportional to 131,820.69, 197,668.89 and 47,569.85 is: 71,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,820.69 : 197,668.89 = 47,569.85 : x
  2. Step 2: Convert to fraction form
    131,820.69/197,668.89 = 47,569.85/x
  3. Step 3: Cross multiply
    131,820.69x = 197,668.89 × 47,569.85
  4. Step 4: Simplify right side
    131,820.69x = 9,403,078,458.62
  5. Step 5: Solve for x
    x = 9,403,078,458.62/131,820.69
  6. Step 6: Final answer
    x = 71,332.34

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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.