Home / 201,788.30-302,466.45-68,545.10

Finding the Fourth Proportional to 201,788.30, 302,466.45 and 68,545.10

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Solution

The fourth proportional to 201,788.30, 302,466.45 and 68,545.10 is: 102,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,788.30 : 302,466.45 = 68,545.10 : x
  2. Step 2: Convert to fraction form
    201,788.30/302,466.45 = 68,545.10/x
  3. Step 3: Cross multiply
    201,788.30x = 302,466.45 × 68,545.10
  4. Step 4: Simplify right side
    201,788.30x = 20,732,593,061.90
  5. Step 5: Solve for x
    x = 20,732,593,061.90/201,788.30
  6. Step 6: Final answer
    x = 102,744.28

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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.