Home / 147,823.31-203,935.76-109,153.79

Finding the Fourth Proportional to 147,823.31, 203,935.76 and 109,153.79

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Solution

The fourth proportional to 147,823.31, 203,935.76 and 109,153.79 is: 150,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,823.31 : 203,935.76 = 109,153.79 : x
  2. Step 2: Convert to fraction form
    147,823.31/203,935.76 = 109,153.79/x
  3. Step 3: Cross multiply
    147,823.31x = 203,935.76 × 109,153.79
  4. Step 4: Simplify right side
    147,823.31x = 22,260,361,120.53
  5. Step 5: Solve for x
    x = 22,260,361,120.53/147,823.31
  6. Step 6: Final answer
    x = 150,587.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.