Home / 131,676.68-181,712.52-71,246.00

Finding the Fourth Proportional to 131,676.68, 181,712.52 and 71,246.00

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Solution

The fourth proportional to 131,676.68, 181,712.52 and 71,246.00 is: 98,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,676.68 : 181,712.52 = 71,246.00 : x
  2. Step 2: Convert to fraction form
    131,676.68/181,712.52 = 71,246.00/x
  3. Step 3: Cross multiply
    131,676.68x = 181,712.52 × 71,246.00
  4. Step 4: Simplify right side
    131,676.68x = 12,946,289,291.36
  5. Step 5: Solve for x
    x = 12,946,289,291.36/131,676.68
  6. Step 6: Final answer
    x = 98,318.77

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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.