Home / 206,921.21-285,556.34-116,271.74

Finding the Fourth Proportional to 206,921.21, 285,556.34 and 116,271.74

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Solution

The fourth proportional to 206,921.21, 285,556.34 and 116,271.74 is: 160,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,921.21 : 285,556.34 = 116,271.74 : x
  2. Step 2: Convert to fraction form
    206,921.21/285,556.34 = 116,271.74/x
  3. Step 3: Cross multiply
    206,921.21x = 285,556.34 × 116,271.74
  4. Step 4: Simplify right side
    206,921.21x = 33,202,130,510.69
  5. Step 5: Solve for x
    x = 33,202,130,510.69/206,921.21
  6. Step 6: Final answer
    x = 160,457.84

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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.