Home / 97,749.70-146,430.15-53,296.90

Finding the Fourth Proportional to 97,749.70, 146,430.15 and 53,296.90

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Solution

The fourth proportional to 97,749.70, 146,430.15 and 53,296.90 is: 79,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,749.70 : 146,430.15 = 53,296.90 : x
  2. Step 2: Convert to fraction form
    97,749.70/146,430.15 = 53,296.90/x
  3. Step 3: Cross multiply
    97,749.70x = 146,430.15 × 53,296.90
  4. Step 4: Simplify right side
    97,749.70x = 7,804,273,061.54
  5. Step 5: Solve for x
    x = 7,804,273,061.54/97,749.70
  6. Step 6: Final answer
    x = 79,839.36

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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.