Home / 202,021.10-303,007.35-83,680.10

Finding the Fourth Proportional to 202,021.10, 303,007.35 and 83,680.10

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Solution

The fourth proportional to 202,021.10, 303,007.35 and 83,680.10 is: 125,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,021.10 : 303,007.35 = 83,680.10 : x
  2. Step 2: Convert to fraction form
    202,021.10/303,007.35 = 83,680.10/x
  3. Step 3: Cross multiply
    202,021.10x = 303,007.35 × 83,680.10
  4. Step 4: Simplify right side
    202,021.10x = 25,355,685,348.74
  5. Step 5: Solve for x
    x = 25,355,685,348.74/202,021.10
  6. Step 6: Final answer
    x = 125,510.08

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1.5x scale

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.