Home / 109,862.61-164,623.45-76,194.30

Finding the Fourth Proportional to 109,862.61, 164,623.45 and 76,194.30

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Solution

The fourth proportional to 109,862.61, 164,623.45 and 76,194.30 is: 114,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,862.61 : 164,623.45 = 76,194.30 : x
  2. Step 2: Convert to fraction form
    109,862.61/164,623.45 = 76,194.30/x
  3. Step 3: Cross multiply
    109,862.61x = 164,623.45 × 76,194.30
  4. Step 4: Simplify right side
    109,862.61x = 12,543,368,157.10
  5. Step 5: Solve for x
    x = 12,543,368,157.10/109,862.61
  6. Step 6: Final answer
    x = 114,173.23

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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.