Home / 140,777.04-211,179.30-40,938

Finding the Fourth Proportional to 140,777.04, 211,179.30 and 40,938

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Solution

The fourth proportional to 140,777.04, 211,179.30 and 40,938 is: 61,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,777.04 : 211,179.30 = 40,938 : x
  2. Step 2: Convert to fraction form
    140,777.04/211,179.30 = 40,938/x
  3. Step 3: Cross multiply
    140,777.04x = 211,179.30 × 40,938
  4. Step 4: Simplify right side
    140,777.04x = 8,645,258,183.40
  5. Step 5: Solve for x
    x = 8,645,258,183.40/140,777.04
  6. Step 6: Final answer
    x = 61,411.00

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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.