Home / 109,376.20-164,064.30-93,629.80

Finding the Fourth Proportional to 109,376.20, 164,064.30 and 93,629.80

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Solution

The fourth proportional to 109,376.20, 164,064.30 and 93,629.80 is: 140,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376.20 : 164,064.30 = 93,629.80 : x
  2. Step 2: Convert to fraction form
    109,376.20/164,064.30 = 93,629.80/x
  3. Step 3: Cross multiply
    109,376.20x = 164,064.30 × 93,629.80
  4. Step 4: Simplify right side
    109,376.20x = 15,361,307,596.14
  5. Step 5: Solve for x
    x = 15,361,307,596.14/109,376.20
  6. Step 6: Final answer
    x = 140,444.70

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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.