Home / 115,288.92-172,966.87-47,808.58

Finding the Fourth Proportional to 115,288.92, 172,966.87 and 47,808.58

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Solution

The fourth proportional to 115,288.92, 172,966.87 and 47,808.58 is: 71,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.92 : 172,966.87 = 47,808.58 : x
  2. Step 2: Convert to fraction form
    115,288.92/172,966.87 = 47,808.58/x
  3. Step 3: Cross multiply
    115,288.92x = 172,966.87 × 47,808.58
  4. Step 4: Simplify right side
    115,288.92x = 8,269,299,889.81
  5. Step 5: Solve for x
    x = 8,269,299,889.81/115,288.92
  6. Step 6: Final answer
    x = 71,726.75

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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.