Home / 141,465.88-212,195.74-66,544.50

Finding the Fourth Proportional to 141,465.88, 212,195.74 and 66,544.50

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Solution

The fourth proportional to 141,465.88, 212,195.74 and 66,544.50 is: 99,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465.88 : 212,195.74 = 66,544.50 : x
  2. Step 2: Convert to fraction form
    141,465.88/212,195.74 = 66,544.50/x
  3. Step 3: Cross multiply
    141,465.88x = 212,195.74 × 66,544.50
  4. Step 4: Simplify right side
    141,465.88x = 14,120,458,193.09
  5. Step 5: Solve for x
    x = 14,120,458,193.09/141,465.88
  6. Step 6: Final answer
    x = 99,815.30

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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.