Home / 160,286.12-240,451.05-66,770

Finding the Fourth Proportional to 160,286.12, 240,451.05 and 66,770

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Solution

The fourth proportional to 160,286.12, 240,451.05 and 66,770 is: 100,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,286.12 : 240,451.05 = 66,770 : x
  2. Step 2: Convert to fraction form
    160,286.12/240,451.05 = 66,770/x
  3. Step 3: Cross multiply
    160,286.12x = 240,451.05 × 66,770
  4. Step 4: Simplify right side
    160,286.12x = 16,054,916,608.50
  5. Step 5: Solve for x
    x = 16,054,916,608.50/160,286.12
  6. Step 6: Final answer
    x = 100,164.11

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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.