Home / 142,797.91-197,080.80-82,367.23

Finding the Fourth Proportional to 142,797.91, 197,080.80 and 82,367.23

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Solution

The fourth proportional to 142,797.91, 197,080.80 and 82,367.23 is: 113,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,797.91 : 197,080.80 = 82,367.23 : x
  2. Step 2: Convert to fraction form
    142,797.91/197,080.80 = 82,367.23/x
  3. Step 3: Cross multiply
    142,797.91x = 197,080.80 × 82,367.23
  4. Step 4: Simplify right side
    142,797.91x = 16,232,999,150.13
  5. Step 5: Solve for x
    x = 16,232,999,150.13/142,797.91
  6. Step 6: Final answer
    x = 113,678.13

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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.