Home / 162,338.89-243,257.12-112,516.33

Finding the Fourth Proportional to 162,338.89, 243,257.12 and 112,516.33

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Solution

The fourth proportional to 162,338.89, 243,257.12 and 112,516.33 is: 168,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.89 : 243,257.12 = 112,516.33 : x
  2. Step 2: Convert to fraction form
    162,338.89/243,257.12 = 112,516.33/x
  3. Step 3: Cross multiply
    162,338.89x = 243,257.12 × 112,516.33
  4. Step 4: Simplify right side
    162,338.89x = 27,370,397,826.19
  5. Step 5: Solve for x
    x = 27,370,397,826.19/162,338.89
  6. Step 6: Final answer
    x = 168,600.38

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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.