Home / 97,780.69-146,599.08-31,182.49

Finding the Fourth Proportional to 97,780.69, 146,599.08 and 31,182.49

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Solution

The fourth proportional to 97,780.69, 146,599.08 and 31,182.49 is: 46,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,780.69 : 146,599.08 = 31,182.49 : x
  2. Step 2: Convert to fraction form
    97,780.69/146,599.08 = 31,182.49/x
  3. Step 3: Cross multiply
    97,780.69x = 146,599.08 × 31,182.49
  4. Step 4: Simplify right side
    97,780.69x = 4,571,324,346.11
  5. Step 5: Solve for x
    x = 4,571,324,346.11/97,780.69
  6. Step 6: Final answer
    x = 46,750.79

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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.