Home / 118,450.78-163,446.33-76,066.72

Finding the Fourth Proportional to 118,450.78, 163,446.33 and 76,066.72

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Solution

The fourth proportional to 118,450.78, 163,446.33 and 76,066.72 is: 104,961.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.78 : 163,446.33 = 76,066.72 : x
  2. Step 2: Convert to fraction form
    118,450.78/163,446.33 = 76,066.72/x
  3. Step 3: Cross multiply
    118,450.78x = 163,446.33 × 76,066.72
  4. Step 4: Simplify right side
    118,450.78x = 12,432,826,219.14
  5. Step 5: Solve for x
    x = 12,432,826,219.14/118,450.78
  6. Step 6: Final answer
    x = 104,961.96

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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.