Home / 131,807.63-197,670.54-47,556.84

Finding the Fourth Proportional to 131,807.63, 197,670.54 and 47,556.84

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Solution

The fourth proportional to 131,807.63, 197,670.54 and 47,556.84 is: 71,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.63 : 197,670.54 = 47,556.84 : x
  2. Step 2: Convert to fraction form
    131,807.63/197,670.54 = 47,556.84/x
  3. Step 3: Cross multiply
    131,807.63x = 197,670.54 × 47,556.84
  4. Step 4: Simplify right side
    131,807.63x = 9,400,587,163.10
  5. Step 5: Solve for x
    x = 9,400,587,163.10/131,807.63
  6. Step 6: Final answer
    x = 71,320.51

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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.