Home / 199,585.60-299,378.26-133,155.34

Finding the Fourth Proportional to 199,585.60, 299,378.26 and 133,155.34

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Solution

The fourth proportional to 199,585.60, 299,378.26 and 133,155.34 is: 199,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,585.60 : 299,378.26 = 133,155.34 : x
  2. Step 2: Convert to fraction form
    199,585.60/299,378.26 = 133,155.34/x
  3. Step 3: Cross multiply
    199,585.60x = 299,378.26 × 133,155.34
  4. Step 4: Simplify right side
    199,585.60x = 39,863,813,998.91
  5. Step 5: Solve for x
    x = 39,863,813,998.91/199,585.60
  6. Step 6: Final answer
    x = 199,732.92

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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.