Home / 140,066.24-210,179.36-51,308

Finding the Fourth Proportional to 140,066.24, 210,179.36 and 51,308

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Solution

The fourth proportional to 140,066.24, 210,179.36 and 51,308 is: 76,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,066.24 : 210,179.36 = 51,308 : x
  2. Step 2: Convert to fraction form
    140,066.24/210,179.36 = 51,308/x
  3. Step 3: Cross multiply
    140,066.24x = 210,179.36 × 51,308
  4. Step 4: Simplify right side
    140,066.24x = 10,783,882,602.88
  5. Step 5: Solve for x
    x = 10,783,882,602.88/140,066.24
  6. Step 6: Final answer
    x = 76,991.30

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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.