Home / 115,322.12-172,977.01-31,080.93

Finding the Fourth Proportional to 115,322.12, 172,977.01 and 31,080.93

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Solution

The fourth proportional to 115,322.12, 172,977.01 and 31,080.93 is: 46,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,322.12 : 172,977.01 = 31,080.93 : x
  2. Step 2: Convert to fraction form
    115,322.12/172,977.01 = 31,080.93/x
  3. Step 3: Cross multiply
    115,322.12x = 172,977.01 × 31,080.93
  4. Step 4: Simplify right side
    115,322.12x = 5,376,286,339.42
  5. Step 5: Solve for x
    x = 5,376,286,339.42/115,322.12
  6. Step 6: Final answer
    x = 46,619.73

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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.