Home / 201,961.40-302,942.10-61,719.80

Finding the Fourth Proportional to 201,961.40, 302,942.10 and 61,719.80

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Solution

The fourth proportional to 201,961.40, 302,942.10 and 61,719.80 is: 92,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,961.40 : 302,942.10 = 61,719.80 : x
  2. Step 2: Convert to fraction form
    201,961.40/302,942.10 = 61,719.80/x
  3. Step 3: Cross multiply
    201,961.40x = 302,942.10 × 61,719.80
  4. Step 4: Simplify right side
    201,961.40x = 18,697,525,823.58
  5. Step 5: Solve for x
    x = 18,697,525,823.58/201,961.40
  6. Step 6: Final answer
    x = 92,579.70

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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.