Home / 142,965.48-214,109.22-113,287.88

Finding the Fourth Proportional to 142,965.48, 214,109.22 and 113,287.88

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Solution

The fourth proportional to 142,965.48, 214,109.22 and 113,287.88 is: 169,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965.48 : 214,109.22 = 113,287.88 : x
  2. Step 2: Convert to fraction form
    142,965.48/214,109.22 = 113,287.88/x
  3. Step 3: Cross multiply
    142,965.48x = 214,109.22 × 113,287.88
  4. Step 4: Simplify right side
    142,965.48x = 24,255,979,622.25
  5. Step 5: Solve for x
    x = 24,255,979,622.25/142,965.48
  6. Step 6: Final answer
    x = 169,663.19

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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.