Home / 130,753.60-196,076.64-51,856.96

Finding the Fourth Proportional to 130,753.60, 196,076.64 and 51,856.96

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Solution

The fourth proportional to 130,753.60, 196,076.64 and 51,856.96 is: 77,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,753.60 : 196,076.64 = 51,856.96 : x
  2. Step 2: Convert to fraction form
    130,753.60/196,076.64 = 51,856.96/x
  3. Step 3: Cross multiply
    130,753.60x = 196,076.64 × 51,856.96
  4. Step 4: Simplify right side
    130,753.60x = 10,167,938,477.41
  5. Step 5: Solve for x
    x = 10,167,938,477.41/130,753.60
  6. Step 6: Final answer
    x = 77,764.12

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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.