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Finding the Fourth Proportional to 79,191.82, 109,254.27 and 45,202.20

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Solution

The fourth proportional to 79,191.82, 109,254.27 and 45,202.20 is: 62,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,191.82 : 109,254.27 = 45,202.20 : x
  2. Step 2: Convert to fraction form
    79,191.82/109,254.27 = 45,202.20/x
  3. Step 3: Cross multiply
    79,191.82x = 109,254.27 × 45,202.20
  4. Step 4: Simplify right side
    79,191.82x = 4,938,533,363.39
  5. Step 5: Solve for x
    x = 4,938,533,363.39/79,191.82
  6. Step 6: Final answer
    x = 62,361.66

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1.5x scale

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.