Home / 141,796.48-212,742.88-89,144.32

Finding the Fourth Proportional to 141,796.48, 212,742.88 and 89,144.32

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Solution

The fourth proportional to 141,796.48, 212,742.88 and 89,144.32 is: 133,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796.48 : 212,742.88 = 89,144.32 : x
  2. Step 2: Convert to fraction form
    141,796.48/212,742.88 = 89,144.32/x
  3. Step 3: Cross multiply
    141,796.48x = 212,742.88 × 89,144.32
  4. Step 4: Simplify right side
    141,796.48x = 18,964,819,372.44
  5. Step 5: Solve for x
    x = 18,964,819,372.44/141,796.48
  6. Step 6: Final answer
    x = 133,746.76

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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.