Home / 102,863.96-141,940.14-57,544.28

Finding the Fourth Proportional to 102,863.96, 141,940.14 and 57,544.28

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Solution

The fourth proportional to 102,863.96, 141,940.14 and 57,544.28 is: 79,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,863.96 : 141,940.14 = 57,544.28 : x
  2. Step 2: Convert to fraction form
    102,863.96/141,940.14 = 57,544.28/x
  3. Step 3: Cross multiply
    102,863.96x = 141,940.14 × 57,544.28
  4. Step 4: Simplify right side
    102,863.96x = 8,167,843,159.40
  5. Step 5: Solve for x
    x = 8,167,843,159.40/102,863.96
  6. Step 6: Final answer
    x = 79,404.32

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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.