Home / 130,066.56-194,965.92-51,148.80

Finding the Fourth Proportional to 130,066.56, 194,965.92 and 51,148.80

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Solution

The fourth proportional to 130,066.56, 194,965.92 and 51,148.80 is: 76,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,066.56 : 194,965.92 = 51,148.80 : x
  2. Step 2: Convert to fraction form
    130,066.56/194,965.92 = 51,148.80/x
  3. Step 3: Cross multiply
    130,066.56x = 194,965.92 × 51,148.80
  4. Step 4: Simplify right side
    130,066.56x = 9,972,272,848.90
  5. Step 5: Solve for x
    x = 9,972,272,848.90/130,066.56
  6. Step 6: Final answer
    x = 76,670.54

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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.