Home / 106,787.76-160,179.48-31,908.12

Finding the Fourth Proportional to 106,787.76, 160,179.48 and 31,908.12

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Solution

The fourth proportional to 106,787.76, 160,179.48 and 31,908.12 is: 47,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.76 : 160,179.48 = 31,908.12 : x
  2. Step 2: Convert to fraction form
    106,787.76/160,179.48 = 31,908.12/x
  3. Step 3: Cross multiply
    106,787.76x = 160,179.48 × 31,908.12
  4. Step 4: Simplify right side
    106,787.76x = 5,111,026,069.38
  5. Step 5: Solve for x
    x = 5,111,026,069.38/106,787.76
  6. Step 6: Final answer
    x = 47,861.53

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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.