Home / 208,201.03-312,301.51-113,510.85

Finding the Fourth Proportional to 208,201.03, 312,301.51 and 113,510.85

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Solution

The fourth proportional to 208,201.03, 312,301.51 and 113,510.85 is: 170,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,201.03 : 312,301.51 = 113,510.85 : x
  2. Step 2: Convert to fraction form
    208,201.03/312,301.51 = 113,510.85/x
  3. Step 3: Cross multiply
    208,201.03x = 312,301.51 × 113,510.85
  4. Step 4: Simplify right side
    208,201.03x = 35,449,608,401.48
  5. Step 5: Solve for x
    x = 35,449,608,401.48/208,201.03
  6. Step 6: Final answer
    x = 170,266.25

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1.5x scale

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.