Home / 168,128.52-251,449.18-149,539.08

Finding the Fourth Proportional to 168,128.52, 251,449.18 and 149,539.08

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Solution

The fourth proportional to 168,128.52, 251,449.18 and 149,539.08 is: 223,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,128.52 : 251,449.18 = 149,539.08 : x
  2. Step 2: Convert to fraction form
    168,128.52/251,449.18 = 149,539.08/x
  3. Step 3: Cross multiply
    168,128.52x = 251,449.18 × 149,539.08
  4. Step 4: Simplify right side
    168,128.52x = 37,601,479,043.95
  5. Step 5: Solve for x
    x = 37,601,479,043.95/168,128.52
  6. Step 6: Final answer
    x = 223,647.24

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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.