Home / 155,692.16-214,926.72-101,979.44

Finding the Fourth Proportional to 155,692.16, 214,926.72 and 101,979.44

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Solution

The fourth proportional to 155,692.16, 214,926.72 and 101,979.44 is: 140,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,692.16 : 214,926.72 = 101,979.44 : x
  2. Step 2: Convert to fraction form
    155,692.16/214,926.72 = 101,979.44/x
  3. Step 3: Cross multiply
    155,692.16x = 214,926.72 × 101,979.44
  4. Step 4: Simplify right side
    155,692.16x = 21,918,106,546.64
  5. Step 5: Solve for x
    x = 21,918,106,546.64/155,692.16
  6. Step 6: Final answer
    x = 140,778.49

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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.