Home / 76,176.64-114,288.36-34,092.19

Finding the Fourth Proportional to 76,176.64, 114,288.36 and 34,092.19

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Solution

The fourth proportional to 76,176.64, 114,288.36 and 34,092.19 is: 51,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.64 : 114,288.36 = 34,092.19 : x
  2. Step 2: Convert to fraction form
    76,176.64/114,288.36 = 34,092.19/x
  3. Step 3: Cross multiply
    76,176.64x = 114,288.36 × 34,092.19
  4. Step 4: Simplify right side
    76,176.64x = 3,896,340,483.91
  5. Step 5: Solve for x
    x = 3,896,340,483.91/76,176.64
  6. Step 6: Final answer
    x = 51,148.76

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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.