Home / 130,941.69-196,423.85-36,171.84

Finding the Fourth Proportional to 130,941.69, 196,423.85 and 36,171.84

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Solution

The fourth proportional to 130,941.69, 196,423.85 and 36,171.84 is: 54,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,941.69 : 196,423.85 = 36,171.84 : x
  2. Step 2: Convert to fraction form
    130,941.69/196,423.85 = 36,171.84/x
  3. Step 3: Cross multiply
    130,941.69x = 196,423.85 × 36,171.84
  4. Step 4: Simplify right side
    130,941.69x = 7,105,012,074.38
  5. Step 5: Solve for x
    x = 7,105,012,074.38/130,941.69
  6. Step 6: Final answer
    x = 54,260.89

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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.