Home / 109,808.30-164,712.45-43,212.26

Finding the Fourth Proportional to 109,808.30, 164,712.45 and 43,212.26

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Solution

The fourth proportional to 109,808.30, 164,712.45 and 43,212.26 is: 64,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,808.30 : 164,712.45 = 43,212.26 : x
  2. Step 2: Convert to fraction form
    109,808.30/164,712.45 = 43,212.26/x
  3. Step 3: Cross multiply
    109,808.30x = 164,712.45 × 43,212.26
  4. Step 4: Simplify right side
    109,808.30x = 7,117,597,214.64
  5. Step 5: Solve for x
    x = 7,117,597,214.64/109,808.30
  6. Step 6: Final answer
    x = 64,818.39

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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.