Home / 137,023.83-189,069.80-76,594.97

Finding the Fourth Proportional to 137,023.83, 189,069.80 and 76,594.97

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Solution

The fourth proportional to 137,023.83, 189,069.80 and 76,594.97 is: 105,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,023.83 : 189,069.80 = 76,594.97 : x
  2. Step 2: Convert to fraction form
    137,023.83/189,069.80 = 76,594.97/x
  3. Step 3: Cross multiply
    137,023.83x = 189,069.80 × 76,594.97
  4. Step 4: Simplify right side
    137,023.83x = 14,481,794,685.09
  5. Step 5: Solve for x
    x = 14,481,794,685.09/137,023.83
  6. Step 6: Final answer
    x = 105,688.15

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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.