Home / 140,827.48-194,346.44-77,169.32

Finding the Fourth Proportional to 140,827.48, 194,346.44 and 77,169.32

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Solution

The fourth proportional to 140,827.48, 194,346.44 and 77,169.32 is: 106,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,827.48 : 194,346.44 = 77,169.32 : x
  2. Step 2: Convert to fraction form
    140,827.48/194,346.44 = 77,169.32/x
  3. Step 3: Cross multiply
    140,827.48x = 194,346.44 × 77,169.32
  4. Step 4: Simplify right side
    140,827.48x = 14,997,582,619.22
  5. Step 5: Solve for x
    x = 14,997,582,619.22/140,827.48
  6. Step 6: Final answer
    x = 106,496.14

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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.