Home / 109,262.36-163,910.78-39,140.12

Finding the Fourth Proportional to 109,262.36, 163,910.78 and 39,140.12

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Solution

The fourth proportional to 109,262.36, 163,910.78 and 39,140.12 is: 58,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,262.36 : 163,910.78 = 39,140.12 : x
  2. Step 2: Convert to fraction form
    109,262.36/163,910.78 = 39,140.12/x
  3. Step 3: Cross multiply
    109,262.36x = 163,910.78 × 39,140.12
  4. Step 4: Simplify right side
    109,262.36x = 6,415,487,598.49
  5. Step 5: Solve for x
    x = 6,415,487,598.49/109,262.36
  6. Step 6: Final answer
    x = 58,716.36

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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.