Home / 198,242.30-273,574.75-117,685.98

Finding the Fourth Proportional to 198,242.30, 273,574.75 and 117,685.98

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Solution

The fourth proportional to 198,242.30, 273,574.75 and 117,685.98 is: 162,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.30 : 273,574.75 = 117,685.98 : x
  2. Step 2: Convert to fraction form
    198,242.30/273,574.75 = 117,685.98/x
  3. Step 3: Cross multiply
    198,242.30x = 273,574.75 × 117,685.98
  4. Step 4: Simplify right side
    198,242.30x = 32,195,911,189.13
  5. Step 5: Solve for x
    x = 32,195,911,189.13/198,242.30
  6. Step 6: Final answer
    x = 162,406.87

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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.