Home / 142,185.54-196,215.57-85,600.02

Finding the Fourth Proportional to 142,185.54, 196,215.57 and 85,600.02

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Solution

The fourth proportional to 142,185.54, 196,215.57 and 85,600.02 is: 118,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,185.54 : 196,215.57 = 85,600.02 : x
  2. Step 2: Convert to fraction form
    142,185.54/196,215.57 = 85,600.02/x
  3. Step 3: Cross multiply
    142,185.54x = 196,215.57 × 85,600.02
  4. Step 4: Simplify right side
    142,185.54x = 16,796,056,716.31
  5. Step 5: Solve for x
    x = 16,796,056,716.31/142,185.54
  6. Step 6: Final answer
    x = 118,127.74

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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.