Home / 142,352.88-196,449.30-84,997.21

Finding the Fourth Proportional to 142,352.88, 196,449.30 and 84,997.21

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Solution

The fourth proportional to 142,352.88, 196,449.30 and 84,997.21 is: 117,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,352.88 : 196,449.30 = 84,997.21 : x
  2. Step 2: Convert to fraction form
    142,352.88/196,449.30 = 84,997.21/x
  3. Step 3: Cross multiply
    142,352.88x = 196,449.30 × 84,997.21
  4. Step 4: Simplify right side
    142,352.88x = 16,697,642,283.67
  5. Step 5: Solve for x
    x = 16,697,642,283.67/142,352.88
  6. Step 6: Final answer
    x = 117,297.54

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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.