Home / 134,748.45-202,286.70-68,154.30

Finding the Fourth Proportional to 134,748.45, 202,286.70 and 68,154.30

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Solution

The fourth proportional to 134,748.45, 202,286.70 and 68,154.30 is: 102,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,748.45 : 202,286.70 = 68,154.30 : x
  2. Step 2: Convert to fraction form
    134,748.45/202,286.70 = 68,154.30/x
  3. Step 3: Cross multiply
    134,748.45x = 202,286.70 × 68,154.30
  4. Step 4: Simplify right side
    134,748.45x = 13,786,708,437.81
  5. Step 5: Solve for x
    x = 13,786,708,437.81/134,748.45
  6. Step 6: Final answer
    x = 102,314.41

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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.