Home / 102,329.97-141,215.44-57,008.06

Finding the Fourth Proportional to 102,329.97, 141,215.44 and 57,008.06

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Solution

The fourth proportional to 102,329.97, 141,215.44 and 57,008.06 is: 78,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,329.97 : 141,215.44 = 57,008.06 : x
  2. Step 2: Convert to fraction form
    102,329.97/141,215.44 = 57,008.06/x
  3. Step 3: Cross multiply
    102,329.97x = 141,215.44 × 57,008.06
  4. Step 4: Simplify right side
    102,329.97x = 8,050,418,621.80
  5. Step 5: Solve for x
    x = 8,050,418,621.80/102,329.97
  6. Step 6: Final answer
    x = 78,671.17

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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.