Home / 114,831.70-172,224.99-109,135.35

Finding the Fourth Proportional to 114,831.70, 172,224.99 and 109,135.35

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Solution

The fourth proportional to 114,831.70, 172,224.99 and 109,135.35 is: 163,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,831.70 : 172,224.99 = 109,135.35 : x
  2. Step 2: Convert to fraction form
    114,831.70/172,224.99 = 109,135.35/x
  3. Step 3: Cross multiply
    114,831.70x = 172,224.99 × 109,135.35
  4. Step 4: Simplify right side
    114,831.70x = 18,795,834,562.40
  5. Step 5: Solve for x
    x = 18,795,834,562.40/114,831.70
  6. Step 6: Final answer
    x = 163,681.59

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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.