Home / 142,213.36-196,292.28-88,467.88

Finding the Fourth Proportional to 142,213.36, 196,292.28 and 88,467.88

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Solution

The fourth proportional to 142,213.36, 196,292.28 and 88,467.88 is: 122,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,213.36 : 196,292.28 = 88,467.88 : x
  2. Step 2: Convert to fraction form
    142,213.36/196,292.28 = 88,467.88/x
  3. Step 3: Cross multiply
    142,213.36x = 196,292.28 × 88,467.88
  4. Step 4: Simplify right side
    142,213.36x = 17,365,561,871.97
  5. Step 5: Solve for x
    x = 17,365,561,871.97/142,213.36
  6. Step 6: Final answer
    x = 122,109.22

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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.