Home / 155,245.05-214,319.75-104,524.47

Finding the Fourth Proportional to 155,245.05, 214,319.75 and 104,524.47

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Solution

The fourth proportional to 155,245.05, 214,319.75 and 104,524.47 is: 144,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,245.05 : 214,319.75 = 104,524.47 : x
  2. Step 2: Convert to fraction form
    155,245.05/214,319.75 = 104,524.47/x
  3. Step 3: Cross multiply
    155,245.05x = 214,319.75 × 104,524.47
  4. Step 4: Simplify right side
    155,245.05x = 22,401,657,756.66
  5. Step 5: Solve for x
    x = 22,401,657,756.66/155,245.05
  6. Step 6: Final answer
    x = 144,298.69

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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.