Home / 134,823.64-202,410.42-103,680.76

Finding the Fourth Proportional to 134,823.64, 202,410.42 and 103,680.76

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Solution

The fourth proportional to 134,823.64, 202,410.42 and 103,680.76 is: 155,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,823.64 : 202,410.42 = 103,680.76 : x
  2. Step 2: Convert to fraction form
    134,823.64/202,410.42 = 103,680.76/x
  3. Step 3: Cross multiply
    134,823.64x = 202,410.42 × 103,680.76
  4. Step 4: Simplify right side
    134,823.64x = 20,986,066,177.52
  5. Step 5: Solve for x
    x = 20,986,066,177.52/134,823.64
  6. Step 6: Final answer
    x = 155,655.69

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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.