Home / 134,913.40-202,499.70-68,428.60

Finding the Fourth Proportional to 134,913.40, 202,499.70 and 68,428.60

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Solution

The fourth proportional to 134,913.40, 202,499.70 and 68,428.60 is: 102,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.40 : 202,499.70 = 68,428.60 : x
  2. Step 2: Convert to fraction form
    134,913.40/202,499.70 = 68,428.60/x
  3. Step 3: Cross multiply
    134,913.40x = 202,499.70 × 68,428.60
  4. Step 4: Simplify right side
    134,913.40x = 13,856,770,971.42
  5. Step 5: Solve for x
    x = 13,856,770,971.42/134,913.40
  6. Step 6: Final answer
    x = 102,708.63

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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.