Home / 198,257.90-272,904.44-171,120.08

Finding the Fourth Proportional to 198,257.90, 272,904.44 and 171,120.08

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Solution

The fourth proportional to 198,257.90, 272,904.44 and 171,120.08 is: 235,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,257.90 : 272,904.44 = 171,120.08 : x
  2. Step 2: Convert to fraction form
    198,257.90/272,904.44 = 171,120.08/x
  3. Step 3: Cross multiply
    198,257.90x = 272,904.44 × 171,120.08
  4. Step 4: Simplify right side
    198,257.90x = 46,699,430,715.22
  5. Step 5: Solve for x
    x = 46,699,430,715.22/198,257.90
  6. Step 6: Final answer
    x = 235,548.90

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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.