Home / 79,197.32-109,264.95-45,181.28

Finding the Fourth Proportional to 79,197.32, 109,264.95 and 45,181.28

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Solution

The fourth proportional to 79,197.32, 109,264.95 and 45,181.28 is: 62,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,197.32 : 109,264.95 = 45,181.28 : x
  2. Step 2: Convert to fraction form
    79,197.32/109,264.95 = 45,181.28/x
  3. Step 3: Cross multiply
    79,197.32x = 109,264.95 × 45,181.28
  4. Step 4: Simplify right side
    79,197.32x = 4,936,729,753.81
  5. Step 5: Solve for x
    x = 4,936,729,753.81/79,197.32
  6. Step 6: Final answer
    x = 62,334.56

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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.