Home / 160,939.67-222,086.36-100,506.67

Finding the Fourth Proportional to 160,939.67, 222,086.36 and 100,506.67

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Solution

The fourth proportional to 160,939.67, 222,086.36 and 100,506.67 is: 138,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,939.67 : 222,086.36 = 100,506.67 : x
  2. Step 2: Convert to fraction form
    160,939.67/222,086.36 = 100,506.67/x
  3. Step 3: Cross multiply
    160,939.67x = 222,086.36 × 100,506.67
  4. Step 4: Simplify right side
    160,939.67x = 22,321,160,192.07
  5. Step 5: Solve for x
    x = 22,321,160,192.07/160,939.67
  6. Step 6: Final answer
    x = 138,692.72

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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.