Home / 97,390.89-146,034.09-49,986.45

Finding the Fourth Proportional to 97,390.89, 146,034.09 and 49,986.45

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Solution

The fourth proportional to 97,390.89, 146,034.09 and 49,986.45 is: 74,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,390.89 : 146,034.09 = 49,986.45 : x
  2. Step 2: Convert to fraction form
    97,390.89/146,034.09 = 49,986.45/x
  3. Step 3: Cross multiply
    97,390.89x = 146,034.09 × 49,986.45
  4. Step 4: Simplify right side
    97,390.89x = 7,299,725,738.08
  5. Step 5: Solve for x
    x = 7,299,725,738.08/97,390.89
  6. Step 6: Final answer
    x = 74,952.86

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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.