Home / 102,069.98-140,861.26-56,752.62

Finding the Fourth Proportional to 102,069.98, 140,861.26 and 56,752.62

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Solution

The fourth proportional to 102,069.98, 140,861.26 and 56,752.62 is: 78,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,069.98 : 140,861.26 = 56,752.62 : x
  2. Step 2: Convert to fraction form
    102,069.98/140,861.26 = 56,752.62/x
  3. Step 3: Cross multiply
    102,069.98x = 140,861.26 × 56,752.62
  4. Step 4: Simplify right side
    102,069.98x = 7,994,245,561.50
  5. Step 5: Solve for x
    x = 7,994,245,561.50/102,069.98
  6. Step 6: Final answer
    x = 78,321.22

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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.