Home / 109,517.50-164,217.48-56,187.51

Finding the Fourth Proportional to 109,517.50, 164,217.48 and 56,187.51

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Solution

The fourth proportional to 109,517.50, 164,217.48 and 56,187.51 is: 84,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,517.50 : 164,217.48 = 56,187.51 : x
  2. Step 2: Convert to fraction form
    109,517.50/164,217.48 = 56,187.51/x
  3. Step 3: Cross multiply
    109,517.50x = 164,217.48 × 56,187.51
  4. Step 4: Simplify right side
    109,517.50x = 9,226,970,473.16
  5. Step 5: Solve for x
    x = 9,226,970,473.16/109,517.50
  6. Step 6: Final answer
    x = 84,251.10

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1.5x scale

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.