Home / 142,735.42-196,995.85-82,294.24

Finding the Fourth Proportional to 142,735.42, 196,995.85 and 82,294.24

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Solution

The fourth proportional to 142,735.42, 196,995.85 and 82,294.24 is: 113,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,735.42 : 196,995.85 = 82,294.24 : x
  2. Step 2: Convert to fraction form
    142,735.42/196,995.85 = 82,294.24/x
  3. Step 3: Cross multiply
    142,735.42x = 196,995.85 × 82,294.24
  4. Step 4: Simplify right side
    142,735.42x = 16,211,622,362.45
  5. Step 5: Solve for x
    x = 16,211,622,362.45/142,735.42
  6. Step 6: Final answer
    x = 113,578.13

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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.