Home / 109,363.30-163,716.90-64,967.20

Finding the Fourth Proportional to 109,363.30, 163,716.90 and 64,967.20

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Solution

The fourth proportional to 109,363.30, 163,716.90 and 64,967.20 is: 97,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.30 : 163,716.90 = 64,967.20 : x
  2. Step 2: Convert to fraction form
    109,363.30/163,716.90 = 64,967.20/x
  3. Step 3: Cross multiply
    109,363.30x = 163,716.90 × 64,967.20
  4. Step 4: Simplify right side
    109,363.30x = 10,636,228,585.68
  5. Step 5: Solve for x
    x = 10,636,228,585.68/109,363.30
  6. Step 6: Final answer
    x = 97,255.92

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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.