Home / 127,639.07-191,433.90-48,734.54

Finding the Fourth Proportional to 127,639.07, 191,433.90 and 48,734.54

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Solution

The fourth proportional to 127,639.07, 191,433.90 and 48,734.54 is: 73,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,639.07 : 191,433.90 = 48,734.54 : x
  2. Step 2: Convert to fraction form
    127,639.07/191,433.90 = 48,734.54/x
  3. Step 3: Cross multiply
    127,639.07x = 191,433.90 × 48,734.54
  4. Step 4: Simplify right side
    127,639.07x = 9,329,443,718.25
  5. Step 5: Solve for x
    x = 9,329,443,718.25/127,639.07
  6. Step 6: Final answer
    x = 73,092.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.