Home / 140,291.64-193,606.56-76,630.44

Finding the Fourth Proportional to 140,291.64, 193,606.56 and 76,630.44

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Solution

The fourth proportional to 140,291.64, 193,606.56 and 76,630.44 is: 105,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,291.64 : 193,606.56 = 76,630.44 : x
  2. Step 2: Convert to fraction form
    140,291.64/193,606.56 = 76,630.44/x
  3. Step 3: Cross multiply
    140,291.64x = 193,606.56 × 76,630.44
  4. Step 4: Simplify right side
    140,291.64x = 14,836,155,879.69
  5. Step 5: Solve for x
    x = 14,836,155,879.69/140,291.64
  6. Step 6: Final answer
    x = 105,752.24

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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.