Home / 140,053.56-193,276.52-76,393.64

Finding the Fourth Proportional to 140,053.56, 193,276.52 and 76,393.64

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Solution

The fourth proportional to 140,053.56, 193,276.52 and 76,393.64 is: 105,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,053.56 : 193,276.52 = 76,393.64 : x
  2. Step 2: Convert to fraction form
    140,053.56/193,276.52 = 76,393.64/x
  3. Step 3: Cross multiply
    140,053.56x = 193,276.52 × 76,393.64
  4. Step 4: Simplify right side
    140,053.56x = 14,765,096,889.33
  5. Step 5: Solve for x
    x = 14,765,096,889.33/140,053.56
  6. Step 6: Final answer
    x = 105,424.65

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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.