Home / 142,964.72-214,108.09-113,287.13

Finding the Fourth Proportional to 142,964.72, 214,108.09 and 113,287.13

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Solution

The fourth proportional to 142,964.72, 214,108.09 and 113,287.13 is: 169,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,964.72 : 214,108.09 = 113,287.13 : x
  2. Step 2: Convert to fraction form
    142,964.72/214,108.09 = 113,287.13/x
  3. Step 3: Cross multiply
    142,964.72x = 214,108.09 × 113,287.13
  4. Step 4: Simplify right side
    142,964.72x = 24,255,691,025.88
  5. Step 5: Solve for x
    x = 24,255,691,025.88/142,964.72
  6. Step 6: Final answer
    x = 169,662.07

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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.