Home / 119,027.72-178,416.94-40,114.68

Finding the Fourth Proportional to 119,027.72, 178,416.94 and 40,114.68

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Solution

The fourth proportional to 119,027.72, 178,416.94 and 40,114.68 is: 60,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,027.72 : 178,416.94 = 40,114.68 : x
  2. Step 2: Convert to fraction form
    119,027.72/178,416.94 = 40,114.68/x
  3. Step 3: Cross multiply
    119,027.72x = 178,416.94 × 40,114.68
  4. Step 4: Simplify right side
    119,027.72x = 7,157,138,454.68
  5. Step 5: Solve for x
    x = 7,157,138,454.68/119,027.72
  6. Step 6: Final answer
    x = 60,130.01

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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.