Home / 109,856.66-164,784.92-39,719.57

Finding the Fourth Proportional to 109,856.66, 164,784.92 and 39,719.57

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Solution

The fourth proportional to 109,856.66, 164,784.92 and 39,719.57 is: 59,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,856.66 : 164,784.92 = 39,719.57 : x
  2. Step 2: Convert to fraction form
    109,856.66/164,784.92 = 39,719.57/x
  3. Step 3: Cross multiply
    109,856.66x = 164,784.92 × 39,719.57
  4. Step 4: Simplify right side
    109,856.66x = 6,545,185,142.36
  5. Step 5: Solve for x
    x = 6,545,185,142.36/109,856.66
  6. Step 6: Final answer
    x = 59,579.32

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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.