Home / 245,525.76-368,198.40-87,711.36

Finding the Fourth Proportional to 245,525.76, 368,198.40 and 87,711.36

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Solution

The fourth proportional to 245,525.76, 368,198.40 and 87,711.36 is: 131,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,525.76 : 368,198.40 = 87,711.36 : x
  2. Step 2: Convert to fraction form
    245,525.76/368,198.40 = 87,711.36/x
  3. Step 3: Cross multiply
    245,525.76x = 368,198.40 × 87,711.36
  4. Step 4: Simplify right side
    245,525.76x = 32,295,182,413.82
  5. Step 5: Solve for x
    x = 32,295,182,413.82/245,525.76
  6. Step 6: Final answer
    x = 131,534.80

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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.