Home / 199,315.18-274,985.94-127,734.64

Finding the Fourth Proportional to 199,315.18, 274,985.94 and 127,734.64

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Solution

The fourth proportional to 199,315.18, 274,985.94 and 127,734.64 is: 176,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,315.18 : 274,985.94 = 127,734.64 : x
  2. Step 2: Convert to fraction form
    199,315.18/274,985.94 = 127,734.64/x
  3. Step 3: Cross multiply
    199,315.18x = 274,985.94 × 127,734.64
  4. Step 4: Simplify right side
    199,315.18x = 35,125,230,050.96
  5. Step 5: Solve for x
    x = 35,125,230,050.96/199,315.18
  6. Step 6: Final answer
    x = 176,229.58

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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.