Home / 75,146.40-103,699.44-43,310.16

Finding the Fourth Proportional to 75,146.40, 103,699.44 and 43,310.16

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Solution

The fourth proportional to 75,146.40, 103,699.44 and 43,310.16 is: 59,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.40 : 103,699.44 = 43,310.16 : x
  2. Step 2: Convert to fraction form
    75,146.40/103,699.44 = 43,310.16/x
  3. Step 3: Cross multiply
    75,146.40x = 103,699.44 × 43,310.16
  4. Step 4: Simplify right side
    75,146.40x = 4,491,239,338.31
  5. Step 5: Solve for x
    x = 4,491,239,338.31/75,146.40
  6. Step 6: Final answer
    x = 59,766.53

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1.5x scale

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.