Home / 147,896.30-204,138.77-87,487.94

Finding the Fourth Proportional to 147,896.30, 204,138.77 and 87,487.94

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Solution

The fourth proportional to 147,896.30, 204,138.77 and 87,487.94 is: 120,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,896.30 : 204,138.77 = 87,487.94 : x
  2. Step 2: Convert to fraction form
    147,896.30/204,138.77 = 87,487.94/x
  3. Step 3: Cross multiply
    147,896.30x = 204,138.77 × 87,487.94
  4. Step 4: Simplify right side
    147,896.30x = 17,859,681,128.99
  5. Step 5: Solve for x
    x = 17,859,681,128.99/147,896.30
  6. Step 6: Final answer
    x = 120,758.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.