Home / 142,233.84-196,135.38-122,157.12

Finding the Fourth Proportional to 142,233.84, 196,135.38 and 122,157.12

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Solution

The fourth proportional to 142,233.84, 196,135.38 and 122,157.12 is: 168,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,233.84 : 196,135.38 = 122,157.12 : x
  2. Step 2: Convert to fraction form
    142,233.84/196,135.38 = 122,157.12/x
  3. Step 3: Cross multiply
    142,233.84x = 196,135.38 × 122,157.12
  4. Step 4: Simplify right side
    142,233.84x = 23,959,333,150.91
  5. Step 5: Solve for x
    x = 23,959,333,150.91/142,233.84
  6. Step 6: Final answer
    x = 168,450.30

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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.