Home / 119,015.20-178,398.24-40,102.16

Finding the Fourth Proportional to 119,015.20, 178,398.24 and 40,102.16

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Solution

The fourth proportional to 119,015.20, 178,398.24 and 40,102.16 is: 60,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,015.20 : 178,398.24 = 40,102.16 : x
  2. Step 2: Convert to fraction form
    119,015.20/178,398.24 = 40,102.16/x
  3. Step 3: Cross multiply
    119,015.20x = 178,398.24 × 40,102.16
  4. Step 4: Simplify right side
    119,015.20x = 7,154,154,764.20
  5. Step 5: Solve for x
    x = 7,154,154,764.20/119,015.20
  6. Step 6: Final answer
    x = 60,111.27

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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.