Home / 198,122.71-273,337.59-130,176.28

Finding the Fourth Proportional to 198,122.71, 273,337.59 and 130,176.28

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Solution

The fourth proportional to 198,122.71, 273,337.59 and 130,176.28 is: 179,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,122.71 : 273,337.59 = 130,176.28 : x
  2. Step 2: Convert to fraction form
    198,122.71/273,337.59 = 130,176.28/x
  3. Step 3: Cross multiply
    198,122.71x = 273,337.59 × 130,176.28
  4. Step 4: Simplify right side
    198,122.71x = 35,582,070,650.37
  5. Step 5: Solve for x
    x = 35,582,070,650.37/198,122.71
  6. Step 6: Final answer
    x = 179,596.12

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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.