Home / 141,756.37-212,560.73-66,856.41

Finding the Fourth Proportional to 141,756.37, 212,560.73 and 66,856.41

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Solution

The fourth proportional to 141,756.37, 212,560.73 and 66,856.41 is: 100,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,756.37 : 212,560.73 = 66,856.41 : x
  2. Step 2: Convert to fraction form
    141,756.37/212,560.73 = 66,856.41/x
  3. Step 3: Cross multiply
    141,756.37x = 212,560.73 × 66,856.41
  4. Step 4: Simplify right side
    141,756.37x = 14,211,046,821.42
  5. Step 5: Solve for x
    x = 14,211,046,821.42/141,756.37
  6. Step 6: Final answer
    x = 100,249.79

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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.