Home / 109,934.80-164,902.20-103,811.20

Finding the Fourth Proportional to 109,934.80, 164,902.20 and 103,811.20

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Solution

The fourth proportional to 109,934.80, 164,902.20 and 103,811.20 is: 155,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,934.80 : 164,902.20 = 103,811.20 : x
  2. Step 2: Convert to fraction form
    109,934.80/164,902.20 = 103,811.20/x
  3. Step 3: Cross multiply
    109,934.80x = 164,902.20 × 103,811.20
  4. Step 4: Simplify right side
    109,934.80x = 17,118,695,264.64
  5. Step 5: Solve for x
    x = 17,118,695,264.64/109,934.80
  6. Step 6: Final answer
    x = 155,716.80

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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.