Home / 87,266.07-130,965.03-69,945.03

Finding the Fourth Proportional to 87,266.07, 130,965.03 and 69,945.03

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Solution

The fourth proportional to 87,266.07, 130,965.03 and 69,945.03 is: 104,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.07 : 130,965.03 = 69,945.03 : x
  2. Step 2: Convert to fraction form
    87,266.07/130,965.03 = 69,945.03/x
  3. Step 3: Cross multiply
    87,266.07x = 130,965.03 × 69,945.03
  4. Step 4: Simplify right side
    87,266.07x = 9,160,352,952.30
  5. Step 5: Solve for x
    x = 9,160,352,952.30/87,266.07
  6. Step 6: Final answer
    x = 104,970.38

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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.