Home / 198,034.86-273,216.45-130,088.40

Finding the Fourth Proportional to 198,034.86, 273,216.45 and 130,088.40

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Solution

The fourth proportional to 198,034.86, 273,216.45 and 130,088.40 is: 179,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,034.86 : 273,216.45 = 130,088.40 : x
  2. Step 2: Convert to fraction form
    198,034.86/273,216.45 = 130,088.40/x
  3. Step 3: Cross multiply
    198,034.86x = 273,216.45 × 130,088.40
  4. Step 4: Simplify right side
    198,034.86x = 35,542,290,834.18
  5. Step 5: Solve for x
    x = 35,542,290,834.18/198,034.86
  6. Step 6: Final answer
    x = 179,474.92

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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.