Home / 199,355.79-298,547.91-131,846.70

Finding the Fourth Proportional to 199,355.79, 298,547.91 and 131,846.70

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Solution

The fourth proportional to 199,355.79, 298,547.91 and 131,846.70 is: 197,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,355.79 : 298,547.91 = 131,846.70 : x
  2. Step 2: Convert to fraction form
    199,355.79/298,547.91 = 131,846.70/x
  3. Step 3: Cross multiply
    199,355.79x = 298,547.91 × 131,846.70
  4. Step 4: Simplify right side
    199,355.79x = 39,362,556,725.40
  5. Step 5: Solve for x
    x = 39,362,556,725.40/199,355.79
  6. Step 6: Final answer
    x = 197,448.78

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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.