Home / 162,340.40-243,116.94-112,279.97

Finding the Fourth Proportional to 162,340.40, 243,116.94 and 112,279.97

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Solution

The fourth proportional to 162,340.40, 243,116.94 and 112,279.97 is: 168,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,340.40 : 243,116.94 = 112,279.97 : x
  2. Step 2: Convert to fraction form
    162,340.40/243,116.94 = 112,279.97/x
  3. Step 3: Cross multiply
    162,340.40x = 243,116.94 × 112,279.97
  4. Step 4: Simplify right side
    162,340.40x = 27,297,163,758.53
  5. Step 5: Solve for x
    x = 27,297,163,758.53/162,340.40
  6. Step 6: Final answer
    x = 168,147.69

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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.