Home / 142,699.74-196,903.35-82,272.66

Finding the Fourth Proportional to 142,699.74, 196,903.35 and 82,272.66

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Solution

The fourth proportional to 142,699.74, 196,903.35 and 82,272.66 is: 113,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,699.74 : 196,903.35 = 82,272.66 : x
  2. Step 2: Convert to fraction form
    142,699.74/196,903.35 = 82,272.66/x
  3. Step 3: Cross multiply
    142,699.74x = 196,903.35 × 82,272.66
  4. Step 4: Simplify right side
    142,699.74x = 16,199,762,367.41
  5. Step 5: Solve for x
    x = 16,199,762,367.41/142,699.74
  6. Step 6: Final answer
    x = 113,523.42

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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.