Home / 253,487.19-349,899.75-146,100.09

Finding the Fourth Proportional to 253,487.19, 349,899.75 and 146,100.09

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Solution

The fourth proportional to 253,487.19, 349,899.75 and 146,100.09 is: 201,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,487.19 : 349,899.75 = 146,100.09 : x
  2. Step 2: Convert to fraction form
    253,487.19/349,899.75 = 146,100.09/x
  3. Step 3: Cross multiply
    253,487.19x = 349,899.75 × 146,100.09
  4. Step 4: Simplify right side
    253,487.19x = 51,120,384,965.98
  5. Step 5: Solve for x
    x = 51,120,384,965.98/253,487.19
  6. Step 6: Final answer
    x = 201,668.51

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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.