Home / 134,933.60-202,400.40-108,689.60

Finding the Fourth Proportional to 134,933.60, 202,400.40 and 108,689.60

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Solution

The fourth proportional to 134,933.60, 202,400.40 and 108,689.60 is: 163,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,933.60 : 202,400.40 = 108,689.60 : x
  2. Step 2: Convert to fraction form
    134,933.60/202,400.40 = 108,689.60/x
  3. Step 3: Cross multiply
    134,933.60x = 202,400.40 × 108,689.60
  4. Step 4: Simplify right side
    134,933.60x = 21,998,818,515.84
  5. Step 5: Solve for x
    x = 21,998,818,515.84/134,933.60
  6. Step 6: Final answer
    x = 163,034.40

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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.