Home / 147,908.70-221,863.05-112,479.30

Finding the Fourth Proportional to 147,908.70, 221,863.05 and 112,479.30

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Solution

The fourth proportional to 147,908.70, 221,863.05 and 112,479.30 is: 168,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.70 : 221,863.05 = 112,479.30 : x
  2. Step 2: Convert to fraction form
    147,908.70/221,863.05 = 112,479.30/x
  3. Step 3: Cross multiply
    147,908.70x = 221,863.05 × 112,479.30
  4. Step 4: Simplify right side
    147,908.70x = 24,955,000,559.87
  5. Step 5: Solve for x
    x = 24,955,000,559.87/147,908.70
  6. Step 6: Final answer
    x = 168,718.95

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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.