Home / 145,625.76-218,461.68-52,129.44

Finding the Fourth Proportional to 145,625.76, 218,461.68 and 52,129.44

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Solution

The fourth proportional to 145,625.76, 218,461.68 and 52,129.44 is: 78,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,625.76 : 218,461.68 = 52,129.44 : x
  2. Step 2: Convert to fraction form
    145,625.76/218,461.68 = 52,129.44/x
  3. Step 3: Cross multiply
    145,625.76x = 218,461.68 × 52,129.44
  4. Step 4: Simplify right side
    145,625.76x = 11,388,285,039.86
  5. Step 5: Solve for x
    x = 11,388,285,039.86/145,625.76
  6. Step 6: Final answer
    x = 78,202.41

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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.