Home / 102,208.87-141,046.81-56,886.85

Finding the Fourth Proportional to 102,208.87, 141,046.81 and 56,886.85

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Solution

The fourth proportional to 102,208.87, 141,046.81 and 56,886.85 is: 78,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.87 : 141,046.81 = 56,886.85 : x
  2. Step 2: Convert to fraction form
    102,208.87/141,046.81 = 56,886.85/x
  3. Step 3: Cross multiply
    102,208.87x = 141,046.81 × 56,886.85
  4. Step 4: Simplify right side
    102,208.87x = 8,023,708,723.45
  5. Step 5: Solve for x
    x = 8,023,708,723.45/102,208.87
  6. Step 6: Final answer
    x = 78,503.06

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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.