Home / 461,129.25-691,796.07-141,325.32

Finding the Fourth Proportional to 461,129.25, 691,796.07 and 141,325.32

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Solution

The fourth proportional to 461,129.25, 691,796.07 and 141,325.32 is: 212,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,129.25 : 691,796.07 = 141,325.32 : x
  2. Step 2: Convert to fraction form
    461,129.25/691,796.07 = 141,325.32/x
  3. Step 3: Cross multiply
    461,129.25x = 691,796.07 × 141,325.32
  4. Step 4: Simplify right side
    461,129.25x = 97,768,300,967.49
  5. Step 5: Solve for x
    x = 97,768,300,967.49/461,129.25
  6. Step 6: Final answer
    x = 212,019.30

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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.