Home / 109,419.96-150,997.44-61,672.35

Finding the Fourth Proportional to 109,419.96, 150,997.44 and 61,672.35

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Solution

The fourth proportional to 109,419.96, 150,997.44 and 61,672.35 is: 85,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,419.96 : 150,997.44 = 61,672.35 : x
  2. Step 2: Convert to fraction form
    109,419.96/150,997.44 = 61,672.35/x
  3. Step 3: Cross multiply
    109,419.96x = 150,997.44 × 61,672.35
  4. Step 4: Simplify right side
    109,419.96x = 9,312,366,968.78
  5. Step 5: Solve for x
    x = 9,312,366,968.78/109,419.96
  6. Step 6: Final answer
    x = 85,106.66

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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.