Home / 142,764.90-197,036.55-82,323.74

Finding the Fourth Proportional to 142,764.90, 197,036.55 and 82,323.74

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Solution

The fourth proportional to 142,764.90, 197,036.55 and 82,323.74 is: 113,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,764.90 : 197,036.55 = 82,323.74 : x
  2. Step 2: Convert to fraction form
    142,764.90/197,036.55 = 82,323.74/x
  3. Step 3: Cross multiply
    142,764.90x = 197,036.55 × 82,323.74
  4. Step 4: Simplify right side
    142,764.90x = 16,220,786,205.29
  5. Step 5: Solve for x
    x = 16,220,786,205.29/142,764.90
  6. Step 6: Final answer
    x = 113,618.86

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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.