Home / 201,890.20-302,902.70-89,554.92

Finding the Fourth Proportional to 201,890.20, 302,902.70 and 89,554.92

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Solution

The fourth proportional to 201,890.20, 302,902.70 and 89,554.92 is: 134,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,890.20 : 302,902.70 = 89,554.92 : x
  2. Step 2: Convert to fraction form
    201,890.20/302,902.70 = 89,554.92/x
  3. Step 3: Cross multiply
    201,890.20x = 302,902.70 × 89,554.92
  4. Step 4: Simplify right side
    201,890.20x = 27,126,427,066.28
  5. Step 5: Solve for x
    x = 27,126,427,066.28/201,890.20
  6. Step 6: Final answer
    x = 134,362.28

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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.