Home / 124,140.33-186,239.70-35,395.11

Finding the Fourth Proportional to 124,140.33, 186,239.70 and 35,395.11

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Solution

The fourth proportional to 124,140.33, 186,239.70 and 35,395.11 is: 53,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,140.33 : 186,239.70 = 35,395.11 : x
  2. Step 2: Convert to fraction form
    124,140.33/186,239.70 = 35,395.11/x
  3. Step 3: Cross multiply
    124,140.33x = 186,239.70 × 35,395.11
  4. Step 4: Simplify right side
    124,140.33x = 6,591,974,667.87
  5. Step 5: Solve for x
    x = 6,591,974,667.87/124,140.33
  6. Step 6: Final answer
    x = 53,100.99

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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.