Home / 104,016.45-143,542.39-56,269.79

Finding the Fourth Proportional to 104,016.45, 143,542.39 and 56,269.79

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Solution

The fourth proportional to 104,016.45, 143,542.39 and 56,269.79 is: 77,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,016.45 : 143,542.39 = 56,269.79 : x
  2. Step 2: Convert to fraction form
    104,016.45/143,542.39 = 56,269.79/x
  3. Step 3: Cross multiply
    104,016.45x = 143,542.39 × 56,269.79
  4. Step 4: Simplify right side
    104,016.45x = 8,077,099,388.52
  5. Step 5: Solve for x
    x = 8,077,099,388.52/104,016.45
  6. Step 6: Final answer
    x = 77,652.13

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1.5x scale

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.