Home / 104,600.39-144,350.01-56,853.74

Finding the Fourth Proportional to 104,600.39, 144,350.01 and 56,853.74

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Solution

The fourth proportional to 104,600.39, 144,350.01 and 56,853.74 is: 78,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,600.39 : 144,350.01 = 56,853.74 : x
  2. Step 2: Convert to fraction form
    104,600.39/144,350.01 = 56,853.74/x
  3. Step 3: Cross multiply
    104,600.39x = 144,350.01 × 56,853.74
  4. Step 4: Simplify right side
    104,600.39x = 8,206,837,937.54
  5. Step 5: Solve for x
    x = 8,206,837,937.54/104,600.39
  6. Step 6: Final answer
    x = 78,458.96

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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.