Home / 102,466.25-141,403.16-57,144.29

Finding the Fourth Proportional to 102,466.25, 141,403.16 and 57,144.29

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Solution

The fourth proportional to 102,466.25, 141,403.16 and 57,144.29 is: 78,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.25 : 141,403.16 = 57,144.29 : x
  2. Step 2: Convert to fraction form
    102,466.25/141,403.16 = 57,144.29/x
  3. Step 3: Cross multiply
    102,466.25x = 141,403.16 × 57,144.29
  4. Step 4: Simplify right side
    102,466.25x = 8,080,382,189.22
  5. Step 5: Solve for x
    x = 8,080,382,189.22/102,466.25
  6. Step 6: Final answer
    x = 78,858.97

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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.