Home / 119,026.72-178,415.44-40,113.68

Finding the Fourth Proportional to 119,026.72, 178,415.44 and 40,113.68

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Solution

The fourth proportional to 119,026.72, 178,415.44 and 40,113.68 is: 60,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.72 : 178,415.44 = 40,113.68 : x
  2. Step 2: Convert to fraction form
    119,026.72/178,415.44 = 40,113.68/x
  3. Step 3: Cross multiply
    119,026.72x = 178,415.44 × 40,113.68
  4. Step 4: Simplify right side
    119,026.72x = 7,156,899,867.22
  5. Step 5: Solve for x
    x = 7,156,899,867.22/119,026.72
  6. Step 6: Final answer
    x = 60,128.51

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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.