Home / 152,968.38-211,037.40-112,777.68

Finding the Fourth Proportional to 152,968.38, 211,037.40 and 112,777.68

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Solution

The fourth proportional to 152,968.38, 211,037.40 and 112,777.68 is: 155,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,968.38 : 211,037.40 = 112,777.68 : x
  2. Step 2: Convert to fraction form
    152,968.38/211,037.40 = 112,777.68/x
  3. Step 3: Cross multiply
    152,968.38x = 211,037.40 × 112,777.68
  4. Step 4: Simplify right side
    152,968.38x = 23,800,308,365.23
  5. Step 5: Solve for x
    x = 23,800,308,365.23/152,968.38
  6. Step 6: Final answer
    x = 155,589.73

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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.