Home / 320,130.93-480,196.41-109,770.69

Finding the Fourth Proportional to 320,130.93, 480,196.41 and 109,770.69

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Solution

The fourth proportional to 320,130.93, 480,196.41 and 109,770.69 is: 164,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,130.93 : 480,196.41 = 109,770.69 : x
  2. Step 2: Convert to fraction form
    320,130.93/480,196.41 = 109,770.69/x
  3. Step 3: Cross multiply
    320,130.93x = 480,196.41 × 109,770.69
  4. Step 4: Simplify right side
    320,130.93x = 52,711,491,261.22
  5. Step 5: Solve for x
    x = 52,711,491,261.22/320,130.93
  6. Step 6: Final answer
    x = 164,656.04

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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.