Home / 210,906.10-316,666.35-148,851.70

Finding the Fourth Proportional to 210,906.10, 316,666.35 and 148,851.70

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Solution

The fourth proportional to 210,906.10, 316,666.35 and 148,851.70 is: 223,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,906.10 : 316,666.35 = 148,851.70 : x
  2. Step 2: Convert to fraction form
    210,906.10/316,666.35 = 148,851.70/x
  3. Step 3: Cross multiply
    210,906.10x = 316,666.35 × 148,851.70
  4. Step 4: Simplify right side
    210,906.10x = 47,136,324,530.30
  5. Step 5: Solve for x
    x = 47,136,324,530.30/210,906.10
  6. Step 6: Final answer
    x = 223,494.36

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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.