Home / 108,805.32-163,076.74-56,186.12

Finding the Fourth Proportional to 108,805.32, 163,076.74 and 56,186.12

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Solution

The fourth proportional to 108,805.32, 163,076.74 and 56,186.12 is: 84,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,805.32 : 163,076.74 = 56,186.12 : x
  2. Step 2: Convert to fraction form
    108,805.32/163,076.74 = 56,186.12/x
  3. Step 3: Cross multiply
    108,805.32x = 163,076.74 × 56,186.12
  4. Step 4: Simplify right side
    108,805.32x = 9,162,649,282.85
  5. Step 5: Solve for x
    x = 9,162,649,282.85/108,805.32
  6. Step 6: Final answer
    x = 84,211.41

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1.5x scale

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.