Home / 257,166.20-354,879.14-143,986.52

Finding the Fourth Proportional to 257,166.20, 354,879.14 and 143,986.52

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Solution

The fourth proportional to 257,166.20, 354,879.14 and 143,986.52 is: 198,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,166.20 : 354,879.14 = 143,986.52 : x
  2. Step 2: Convert to fraction form
    257,166.20/354,879.14 = 143,986.52/x
  3. Step 3: Cross multiply
    257,166.20x = 354,879.14 × 143,986.52
  4. Step 4: Simplify right side
    257,166.20x = 51,097,812,389.19
  5. Step 5: Solve for x
    x = 51,097,812,389.19/257,166.20
  6. Step 6: Final answer
    x = 198,695.68

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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.