Home / 97,430.38-146,202.98-61,890.21

Finding the Fourth Proportional to 97,430.38, 146,202.98 and 61,890.21

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Solution

The fourth proportional to 97,430.38, 146,202.98 and 61,890.21 is: 92,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,430.38 : 146,202.98 = 61,890.21 : x
  2. Step 2: Convert to fraction form
    97,430.38/146,202.98 = 61,890.21/x
  3. Step 3: Cross multiply
    97,430.38x = 146,202.98 × 61,890.21
  4. Step 4: Simplify right side
    97,430.38x = 9,048,532,825.37
  5. Step 5: Solve for x
    x = 9,048,532,825.37/97,430.38
  6. Step 6: Final answer
    x = 92,871.78

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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.