Home / 140,656.40-210,961.85-51,951.68

Finding the Fourth Proportional to 140,656.40, 210,961.85 and 51,951.68

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Solution

The fourth proportional to 140,656.40, 210,961.85 and 51,951.68 is: 77,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,656.40 : 210,961.85 = 51,951.68 : x
  2. Step 2: Convert to fraction form
    140,656.40/210,961.85 = 51,951.68/x
  3. Step 3: Cross multiply
    140,656.40x = 210,961.85 × 51,951.68
  4. Step 4: Simplify right side
    140,656.40x = 10,959,821,208.84
  5. Step 5: Solve for x
    x = 10,959,821,208.84/140,656.40
  6. Step 6: Final answer
    x = 77,919.11

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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.