Home / 259,944.80-390,070.24-110,174.16

Finding the Fourth Proportional to 259,944.80, 390,070.24 and 110,174.16

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Solution

The fourth proportional to 259,944.80, 390,070.24 and 110,174.16 is: 165,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,944.80 : 390,070.24 = 110,174.16 : x
  2. Step 2: Convert to fraction form
    259,944.80/390,070.24 = 110,174.16/x
  3. Step 3: Cross multiply
    259,944.80x = 390,070.24 × 110,174.16
  4. Step 4: Simplify right side
    259,944.80x = 42,975,661,033.00
  5. Step 5: Solve for x
    x = 42,975,661,033.00/259,944.80
  6. Step 6: Final answer
    x = 165,326.10

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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.