Home / 102,554.73-141,532.64-57,241.56

Finding the Fourth Proportional to 102,554.73, 141,532.64 and 57,241.56

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Solution

The fourth proportional to 102,554.73, 141,532.64 and 57,241.56 is: 78,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,554.73 : 141,532.64 = 57,241.56 : x
  2. Step 2: Convert to fraction form
    102,554.73/141,532.64 = 57,241.56/x
  3. Step 3: Cross multiply
    102,554.73x = 141,532.64 × 57,241.56
  4. Step 4: Simplify right side
    102,554.73x = 8,101,549,104.52
  5. Step 5: Solve for x
    x = 8,101,549,104.52/102,554.73
  6. Step 6: Final answer
    x = 78,997.32

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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.