Home / 137,182.96-189,319.83-76,750.00

Finding the Fourth Proportional to 137,182.96, 189,319.83 and 76,750.00

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Solution

The fourth proportional to 137,182.96, 189,319.83 and 76,750.00 is: 105,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,182.96 : 189,319.83 = 76,750.00 : x
  2. Step 2: Convert to fraction form
    137,182.96/189,319.83 = 76,750.00/x
  3. Step 3: Cross multiply
    137,182.96x = 189,319.83 × 76,750.00
  4. Step 4: Simplify right side
    137,182.96x = 14,530,296,005.90
  5. Step 5: Solve for x
    x = 14,530,296,005.90/137,182.96
  6. Step 6: Final answer
    x = 105,919.11

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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.