Home / 109,508.95-164,281.17-42,912.97

Finding the Fourth Proportional to 109,508.95, 164,281.17 and 42,912.97

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Solution

The fourth proportional to 109,508.95, 164,281.17 and 42,912.97 is: 64,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,508.95 : 164,281.17 = 42,912.97 : x
  2. Step 2: Convert to fraction form
    109,508.95/164,281.17 = 42,912.97/x
  3. Step 3: Cross multiply
    109,508.95x = 164,281.17 × 42,912.97
  4. Step 4: Simplify right side
    109,508.95x = 7,049,792,098.37
  5. Step 5: Solve for x
    x = 7,049,792,098.37/109,508.95
  6. Step 6: Final answer
    x = 64,376.40

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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.