Home / 109,916.60-164,901.90-31,029.80

Finding the Fourth Proportional to 109,916.60, 164,901.90 and 31,029.80

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Solution

The fourth proportional to 109,916.60, 164,901.90 and 31,029.80 is: 46,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.60 : 164,901.90 = 31,029.80 : x
  2. Step 2: Convert to fraction form
    109,916.60/164,901.90 = 31,029.80/x
  3. Step 3: Cross multiply
    109,916.60x = 164,901.90 × 31,029.80
  4. Step 4: Simplify right side
    109,916.60x = 5,116,872,976.62
  5. Step 5: Solve for x
    x = 5,116,872,976.62/109,916.60
  6. Step 6: Final answer
    x = 46,552.32

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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.