Home / 307,556.92-461,345.10-130,069.72

Finding the Fourth Proportional to 307,556.92, 461,345.10 and 130,069.72

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Solution

The fourth proportional to 307,556.92, 461,345.10 and 130,069.72 is: 195,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,556.92 : 461,345.10 = 130,069.72 : x
  2. Step 2: Convert to fraction form
    307,556.92/461,345.10 = 130,069.72/x
  3. Step 3: Cross multiply
    307,556.92x = 461,345.10 × 130,069.72
  4. Step 4: Simplify right side
    307,556.92x = 60,007,027,980.37
  5. Step 5: Solve for x
    x = 60,007,027,980.37/307,556.92
  6. Step 6: Final answer
    x = 195,108.69

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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.