Home / 202,040.64-278,797.05-117,148.50

Finding the Fourth Proportional to 202,040.64, 278,797.05 and 117,148.50

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Solution

The fourth proportional to 202,040.64, 278,797.05 and 117,148.50 is: 161,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,040.64 : 278,797.05 = 117,148.50 : x
  2. Step 2: Convert to fraction form
    202,040.64/278,797.05 = 117,148.50/x
  3. Step 3: Cross multiply
    202,040.64x = 278,797.05 × 117,148.50
  4. Step 4: Simplify right side
    202,040.64x = 32,660,656,211.93
  5. Step 5: Solve for x
    x = 32,660,656,211.93/202,040.64
  6. Step 6: Final answer
    x = 161,653.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.