Home / 118,434.03-163,423.22-76,049.97

Finding the Fourth Proportional to 118,434.03, 163,423.22 and 76,049.97

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Solution

The fourth proportional to 118,434.03, 163,423.22 and 76,049.97 is: 104,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.03 : 163,423.22 = 76,049.97 : x
  2. Step 2: Convert to fraction form
    118,434.03/163,423.22 = 76,049.97/x
  3. Step 3: Cross multiply
    118,434.03x = 163,423.22 × 76,049.97
  4. Step 4: Simplify right side
    118,434.03x = 12,428,330,598.05
  5. Step 5: Solve for x
    x = 12,428,330,598.05/118,434.03
  6. Step 6: Final answer
    x = 104,938.85

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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.