Home / 126,815.44-190,254.72-38,070.52

Finding the Fourth Proportional to 126,815.44, 190,254.72 and 38,070.52

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Solution

The fourth proportional to 126,815.44, 190,254.72 and 38,070.52 is: 57,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.44 : 190,254.72 = 38,070.52 : x
  2. Step 2: Convert to fraction form
    126,815.44/190,254.72 = 38,070.52/x
  3. Step 3: Cross multiply
    126,815.44x = 190,254.72 × 38,070.52
  4. Step 4: Simplify right side
    126,815.44x = 7,243,096,122.85
  5. Step 5: Solve for x
    x = 7,243,096,122.85/126,815.44
  6. Step 6: Final answer
    x = 57,115.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.