Home / 109,682.30-164,523.45-74,252.90

Finding the Fourth Proportional to 109,682.30, 164,523.45 and 74,252.90

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Solution

The fourth proportional to 109,682.30, 164,523.45 and 74,252.90 is: 111,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,682.30 : 164,523.45 = 74,252.90 : x
  2. Step 2: Convert to fraction form
    109,682.30/164,523.45 = 74,252.90/x
  3. Step 3: Cross multiply
    109,682.30x = 164,523.45 × 74,252.90
  4. Step 4: Simplify right side
    109,682.30x = 12,216,343,280.51
  5. Step 5: Solve for x
    x = 12,216,343,280.51/109,682.30
  6. Step 6: Final answer
    x = 111,379.35

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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.