Home / 98,579.12-147,857.88-39,399.44

Finding the Fourth Proportional to 98,579.12, 147,857.88 and 39,399.44

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Solution

The fourth proportional to 98,579.12, 147,857.88 and 39,399.44 is: 59,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,579.12 : 147,857.88 = 39,399.44 : x
  2. Step 2: Convert to fraction form
    98,579.12/147,857.88 = 39,399.44/x
  3. Step 3: Cross multiply
    98,579.12x = 147,857.88 × 39,399.44
  4. Step 4: Simplify right side
    98,579.12x = 5,825,517,671.59
  5. Step 5: Solve for x
    x = 5,825,517,671.59/98,579.12
  6. Step 6: Final answer
    x = 59,094.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.