Home / 147,980.88-221,873.76-53,163.54

Finding the Fourth Proportional to 147,980.88, 221,873.76 and 53,163.54

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Solution

The fourth proportional to 147,980.88, 221,873.76 and 53,163.54 is: 79,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,980.88 : 221,873.76 = 53,163.54 : x
  2. Step 2: Convert to fraction form
    147,980.88/221,873.76 = 53,163.54/x
  3. Step 3: Cross multiply
    147,980.88x = 221,873.76 × 53,163.54
  4. Step 4: Simplify right side
    147,980.88x = 11,795,594,514.71
  5. Step 5: Solve for x
    x = 11,795,594,514.71/147,980.88
  6. Step 6: Final answer
    x = 79,710.26

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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.