Home / 455,087.60-682,631.40-122,663.60

Finding the Fourth Proportional to 455,087.60, 682,631.40 and 122,663.60

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Solution

The fourth proportional to 455,087.60, 682,631.40 and 122,663.60 is: 183,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,087.60 : 682,631.40 = 122,663.60 : x
  2. Step 2: Convert to fraction form
    455,087.60/682,631.40 = 122,663.60/x
  3. Step 3: Cross multiply
    455,087.60x = 682,631.40 × 122,663.60
  4. Step 4: Simplify right side
    455,087.60x = 83,734,024,997.04
  5. Step 5: Solve for x
    x = 83,734,024,997.04/455,087.60
  6. Step 6: Final answer
    x = 183,995.40

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Similar ratio
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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.