Home / 109,811.60-164,744.40-30,924.80

Finding the Fourth Proportional to 109,811.60, 164,744.40 and 30,924.80

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Solution

The fourth proportional to 109,811.60, 164,744.40 and 30,924.80 is: 46,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,811.60 : 164,744.40 = 30,924.80 : x
  2. Step 2: Convert to fraction form
    109,811.60/164,744.40 = 30,924.80/x
  3. Step 3: Cross multiply
    109,811.60x = 164,744.40 × 30,924.80
  4. Step 4: Simplify right side
    109,811.60x = 5,094,687,621.12
  5. Step 5: Solve for x
    x = 5,094,687,621.12/109,811.60
  6. Step 6: Final answer
    x = 46,394.80

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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.