Home / 201,623.80-302,545.05-83,307.10

Finding the Fourth Proportional to 201,623.80, 302,545.05 and 83,307.10

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Solution

The fourth proportional to 201,623.80, 302,545.05 and 83,307.10 is: 125,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,623.80 : 302,545.05 = 83,307.10 : x
  2. Step 2: Convert to fraction form
    201,623.80/302,545.05 = 83,307.10/x
  3. Step 3: Cross multiply
    201,623.80x = 302,545.05 × 83,307.10
  4. Step 4: Simplify right side
    201,623.80x = 25,204,150,734.86
  5. Step 5: Solve for x
    x = 25,204,150,734.86/201,623.80
  6. Step 6: Final answer
    x = 125,005.83

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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.