Home / 142,556.24-213,881.90-47,795.80

Finding the Fourth Proportional to 142,556.24, 213,881.90 and 47,795.80

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Solution

The fourth proportional to 142,556.24, 213,881.90 and 47,795.80 is: 71,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,556.24 : 213,881.90 = 47,795.80 : x
  2. Step 2: Convert to fraction form
    142,556.24/213,881.90 = 47,795.80/x
  3. Step 3: Cross multiply
    142,556.24x = 213,881.90 × 47,795.80
  4. Step 4: Simplify right side
    142,556.24x = 10,222,656,516.02
  5. Step 5: Solve for x
    x = 10,222,656,516.02/142,556.24
  6. Step 6: Final answer
    x = 71,709.64

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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.