Home / 199,085.18-298,635.12-65,977.07

Finding the Fourth Proportional to 199,085.18, 298,635.12 and 65,977.07

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Solution

The fourth proportional to 199,085.18, 298,635.12 and 65,977.07 is: 98,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,085.18 : 298,635.12 = 65,977.07 : x
  2. Step 2: Convert to fraction form
    199,085.18/298,635.12 = 65,977.07/x
  3. Step 3: Cross multiply
    199,085.18x = 298,635.12 × 65,977.07
  4. Step 4: Simplify right side
    199,085.18x = 19,703,068,723.52
  5. Step 5: Solve for x
    x = 19,703,068,723.52/199,085.18
  6. Step 6: Final answer
    x = 98,968.04

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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.