Home / 76,142.56-114,006.48-59,216.80

Finding the Fourth Proportional to 76,142.56, 114,006.48 and 59,216.80

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Solution

The fourth proportional to 76,142.56, 114,006.48 and 59,216.80 is: 88,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.56 : 114,006.48 = 59,216.80 : x
  2. Step 2: Convert to fraction form
    76,142.56/114,006.48 = 59,216.80/x
  3. Step 3: Cross multiply
    76,142.56x = 114,006.48 × 59,216.80
  4. Step 4: Simplify right side
    76,142.56x = 6,751,098,924.86
  5. Step 5: Solve for x
    x = 6,751,098,924.86/76,142.56
  6. Step 6: Final answer
    x = 88,663.93

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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.