Home / 161,815.70-242,831.52-56,634.68

Finding the Fourth Proportional to 161,815.70, 242,831.52 and 56,634.68

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Solution

The fourth proportional to 161,815.70, 242,831.52 and 56,634.68 is: 84,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.70 : 242,831.52 = 56,634.68 : x
  2. Step 2: Convert to fraction form
    161,815.70/242,831.52 = 56,634.68/x
  3. Step 3: Cross multiply
    161,815.70x = 242,831.52 × 56,634.68
  4. Step 4: Simplify right side
    161,815.70x = 13,752,685,429.11
  5. Step 5: Solve for x
    x = 13,752,685,429.11/161,815.70
  6. Step 6: Final answer
    x = 84,989.81

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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.