Home / 102,168.44-140,998.78-56,856.52

Finding the Fourth Proportional to 102,168.44, 140,998.78 and 56,856.52

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Solution

The fourth proportional to 102,168.44, 140,998.78 and 56,856.52 is: 78,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.44 : 140,998.78 = 56,856.52 : x
  2. Step 2: Convert to fraction form
    102,168.44/140,998.78 = 56,856.52/x
  3. Step 3: Cross multiply
    102,168.44x = 140,998.78 × 56,856.52
  4. Step 4: Simplify right side
    102,168.44x = 8,016,699,955.05
  5. Step 5: Solve for x
    x = 8,016,699,955.05/102,168.44
  6. Step 6: Final answer
    x = 78,465.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.