Home / 273,047.18-409,570.90-86,073.26

Finding the Fourth Proportional to 273,047.18, 409,570.90 and 86,073.26

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Solution

The fourth proportional to 273,047.18, 409,570.90 and 86,073.26 is: 129,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,047.18 : 409,570.90 = 86,073.26 : x
  2. Step 2: Convert to fraction form
    273,047.18/409,570.90 = 86,073.26/x
  3. Step 3: Cross multiply
    273,047.18x = 409,570.90 × 86,073.26
  4. Step 4: Simplify right side
    273,047.18x = 35,253,102,564.13
  5. Step 5: Solve for x
    x = 35,253,102,564.13/273,047.18
  6. Step 6: Final answer
    x = 129,109.93

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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.