Home / 142,242.30-196,286.49-88,525.62

Finding the Fourth Proportional to 142,242.30, 196,286.49 and 88,525.62

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Solution

The fourth proportional to 142,242.30, 196,286.49 and 88,525.62 is: 122,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,242.30 : 196,286.49 = 88,525.62 : x
  2. Step 2: Convert to fraction form
    142,242.30/196,286.49 = 88,525.62/x
  3. Step 3: Cross multiply
    142,242.30x = 196,286.49 × 88,525.62
  4. Step 4: Simplify right side
    142,242.30x = 17,376,383,224.87
  5. Step 5: Solve for x
    x = 17,376,383,224.87/142,242.30
  6. Step 6: Final answer
    x = 122,160.45

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1.5x scale

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.