Home / 225,582.23-311,282.77-130,070.47

Finding the Fourth Proportional to 225,582.23, 311,282.77 and 130,070.47

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Solution

The fourth proportional to 225,582.23, 311,282.77 and 130,070.47 is: 179,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,582.23 : 311,282.77 = 130,070.47 : x
  2. Step 2: Convert to fraction form
    225,582.23/311,282.77 = 130,070.47/x
  3. Step 3: Cross multiply
    225,582.23x = 311,282.77 × 130,070.47
  4. Step 4: Simplify right side
    225,582.23x = 40,488,695,093.42
  5. Step 5: Solve for x
    x = 40,488,695,093.42/225,582.23
  6. Step 6: Final answer
    x = 179,485.31

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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.