Home / 230,575.44-346,078.80-142,001.76

Finding the Fourth Proportional to 230,575.44, 346,078.80 and 142,001.76

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Solution

The fourth proportional to 230,575.44, 346,078.80 and 142,001.76 is: 213,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,575.44 : 346,078.80 = 142,001.76 : x
  2. Step 2: Convert to fraction form
    230,575.44/346,078.80 = 142,001.76/x
  3. Step 3: Cross multiply
    230,575.44x = 346,078.80 × 142,001.76
  4. Step 4: Simplify right side
    230,575.44x = 49,143,798,698.69
  5. Step 5: Solve for x
    x = 49,143,798,698.69/230,575.44
  6. Step 6: Final answer
    x = 213,135.44

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1.5x scale

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.