Home / 141,845.20-212,940.60-140,808.40

Finding the Fourth Proportional to 141,845.20, 212,940.60 and 140,808.40

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Solution

The fourth proportional to 141,845.20, 212,940.60 and 140,808.40 is: 211,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,845.20 : 212,940.60 = 140,808.40 : x
  2. Step 2: Convert to fraction form
    141,845.20/212,940.60 = 140,808.40/x
  3. Step 3: Cross multiply
    141,845.20x = 212,940.60 × 140,808.40
  4. Step 4: Simplify right side
    141,845.20x = 29,983,825,181.04
  5. Step 5: Solve for x
    x = 29,983,825,181.04/141,845.20
  6. Step 6: Final answer
    x = 211,384.14

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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.