Home / 181,395.40-272,095.85-69,081.83

Finding the Fourth Proportional to 181,395.40, 272,095.85 and 69,081.83

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Solution

The fourth proportional to 181,395.40, 272,095.85 and 69,081.83 is: 103,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,395.40 : 272,095.85 = 69,081.83 : x
  2. Step 2: Convert to fraction form
    181,395.40/272,095.85 = 69,081.83/x
  3. Step 3: Cross multiply
    181,395.40x = 272,095.85 × 69,081.83
  4. Step 4: Simplify right side
    181,395.40x = 18,796,879,253.41
  5. Step 5: Solve for x
    x = 18,796,879,253.41/181,395.40
  6. Step 6: Final answer
    x = 103,623.79

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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.