Home / 109,831.80-164,553.30-102,833.40

Finding the Fourth Proportional to 109,831.80, 164,553.30 and 102,833.40

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Solution

The fourth proportional to 109,831.80, 164,553.30 and 102,833.40 is: 154,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,831.80 : 164,553.30 = 102,833.40 : x
  2. Step 2: Convert to fraction form
    109,831.80/164,553.30 = 102,833.40/x
  3. Step 3: Cross multiply
    109,831.80x = 164,553.30 × 102,833.40
  4. Step 4: Simplify right side
    109,831.80x = 16,921,575,320.22
  5. Step 5: Solve for x
    x = 16,921,575,320.22/109,831.80
  6. Step 6: Final answer
    x = 154,068.09

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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.