Home / 199,465.20-298,948.32-99,653.36

Finding the Fourth Proportional to 199,465.20, 298,948.32 and 99,653.36

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Solution

The fourth proportional to 199,465.20, 298,948.32 and 99,653.36 is: 149,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,465.20 : 298,948.32 = 99,653.36 : x
  2. Step 2: Convert to fraction form
    199,465.20/298,948.32 = 99,653.36/x
  3. Step 3: Cross multiply
    199,465.20x = 298,948.32 × 99,653.36
  4. Step 4: Simplify right side
    199,465.20x = 29,791,203,059.61
  5. Step 5: Solve for x
    x = 29,791,203,059.61/199,465.20
  6. Step 6: Final answer
    x = 149,355.39

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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.