Home / 142,596.20-196,787.40-82,162.16

Finding the Fourth Proportional to 142,596.20, 196,787.40 and 82,162.16

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Solution

The fourth proportional to 142,596.20, 196,787.40 and 82,162.16 is: 113,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,596.20 : 196,787.40 = 82,162.16 : x
  2. Step 2: Convert to fraction form
    142,596.20/196,787.40 = 82,162.16/x
  3. Step 3: Cross multiply
    142,596.20x = 196,787.40 × 82,162.16
  4. Step 4: Simplify right side
    142,596.20x = 16,168,477,844.78
  5. Step 5: Solve for x
    x = 16,168,477,844.78/142,596.20
  6. Step 6: Final answer
    x = 113,386.46

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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.