Home / 102,226.60-141,071.34-56,906.50

Finding the Fourth Proportional to 102,226.60, 141,071.34 and 56,906.50

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Solution

The fourth proportional to 102,226.60, 141,071.34 and 56,906.50 is: 78,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,226.60 : 141,071.34 = 56,906.50 : x
  2. Step 2: Convert to fraction form
    102,226.60/141,071.34 = 56,906.50/x
  3. Step 3: Cross multiply
    102,226.60x = 141,071.34 × 56,906.50
  4. Step 4: Simplify right side
    102,226.60x = 8,027,876,209.71
  5. Step 5: Solve for x
    x = 8,027,876,209.71/102,226.60
  6. Step 6: Final answer
    x = 78,530.21

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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.