Home / 142,555.52-196,662.84-82,110.32

Finding the Fourth Proportional to 142,555.52, 196,662.84 and 82,110.32

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Solution

The fourth proportional to 142,555.52, 196,662.84 and 82,110.32 is: 113,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,555.52 : 196,662.84 = 82,110.32 : x
  2. Step 2: Convert to fraction form
    142,555.52/196,662.84 = 82,110.32/x
  3. Step 3: Cross multiply
    142,555.52x = 196,662.84 × 82,110.32
  4. Step 4: Simplify right side
    142,555.52x = 16,148,048,724.51
  5. Step 5: Solve for x
    x = 16,148,048,724.51/142,555.52
  6. Step 6: Final answer
    x = 113,275.51

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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.