Home / 109,319.44-164,068.28-56,743.96

Finding the Fourth Proportional to 109,319.44, 164,068.28 and 56,743.96

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Solution

The fourth proportional to 109,319.44, 164,068.28 and 56,743.96 is: 85,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.44 : 164,068.28 = 56,743.96 : x
  2. Step 2: Convert to fraction form
    109,319.44/164,068.28 = 56,743.96/x
  3. Step 3: Cross multiply
    109,319.44x = 164,068.28 × 56,743.96
  4. Step 4: Simplify right side
    109,319.44x = 9,309,883,917.59
  5. Step 5: Solve for x
    x = 9,309,883,917.59/109,319.44
  6. Step 6: Final answer
    x = 85,162.20

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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.