Home / 109,849.96-151,512.42-72,110.44

Finding the Fourth Proportional to 109,849.96, 151,512.42 and 72,110.44

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Solution

The fourth proportional to 109,849.96, 151,512.42 and 72,110.44 is: 99,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849.96 : 151,512.42 = 72,110.44 : x
  2. Step 2: Convert to fraction form
    109,849.96/151,512.42 = 72,110.44/x
  3. Step 3: Cross multiply
    109,849.96x = 151,512.42 × 72,110.44
  4. Step 4: Simplify right side
    109,849.96x = 10,925,627,271.66
  5. Step 5: Solve for x
    x = 10,925,627,271.66/109,849.96
  6. Step 6: Final answer
    x = 99,459.55

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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.