Home / 201,664.70-302,497.05-131,623.10

Finding the Fourth Proportional to 201,664.70, 302,497.05 and 131,623.10

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Solution

The fourth proportional to 201,664.70, 302,497.05 and 131,623.10 is: 197,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,664.70 : 302,497.05 = 131,623.10 : x
  2. Step 2: Convert to fraction form
    201,664.70/302,497.05 = 131,623.10/x
  3. Step 3: Cross multiply
    201,664.70x = 302,497.05 × 131,623.10
  4. Step 4: Simplify right side
    201,664.70x = 39,815,599,461.86
  5. Step 5: Solve for x
    x = 39,815,599,461.86/201,664.70
  6. Step 6: Final answer
    x = 197,434.65

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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.