Home / 321,123.10-481,684.65-96,518.20

Finding the Fourth Proportional to 321,123.10, 481,684.65 and 96,518.20

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Solution

The fourth proportional to 321,123.10, 481,684.65 and 96,518.20 is: 144,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,123.10 : 481,684.65 = 96,518.20 : x
  2. Step 2: Convert to fraction form
    321,123.10/481,684.65 = 96,518.20/x
  3. Step 3: Cross multiply
    321,123.10x = 481,684.65 × 96,518.20
  4. Step 4: Simplify right side
    321,123.10x = 46,491,335,385.63
  5. Step 5: Solve for x
    x = 46,491,335,385.63/321,123.10
  6. Step 6: Final answer
    x = 144,777.30

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1.5x scale

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.