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Finding the Fourth Proportional to 101,296.60, 152,081.70 and 59,219.80

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Solution

The fourth proportional to 101,296.60, 152,081.70 and 59,219.80 is: 88,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,296.60 : 152,081.70 = 59,219.80 : x
  2. Step 2: Convert to fraction form
    101,296.60/152,081.70 = 59,219.80/x
  3. Step 3: Cross multiply
    101,296.60x = 152,081.70 × 59,219.80
  4. Step 4: Simplify right side
    101,296.60x = 9,006,247,857.66
  5. Step 5: Solve for x
    x = 9,006,247,857.66/101,296.60
  6. Step 6: Final answer
    x = 88,909.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.