Home / 134,138.64-201,082.89-45,330.04

Finding the Fourth Proportional to 134,138.64, 201,082.89 and 45,330.04

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Solution

The fourth proportional to 134,138.64, 201,082.89 and 45,330.04 is: 67,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,138.64 : 201,082.89 = 45,330.04 : x
  2. Step 2: Convert to fraction form
    134,138.64/201,082.89 = 45,330.04/x
  3. Step 3: Cross multiply
    134,138.64x = 201,082.89 × 45,330.04
  4. Step 4: Simplify right side
    134,138.64x = 9,115,095,447.02
  5. Step 5: Solve for x
    x = 9,115,095,447.02/134,138.64
  6. Step 6: Final answer
    x = 67,952.79

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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.