Home / 141,755.03-212,558.72-66,855.07

Finding the Fourth Proportional to 141,755.03, 212,558.72 and 66,855.07

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Solution

The fourth proportional to 141,755.03, 212,558.72 and 66,855.07 is: 100,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755.03 : 212,558.72 = 66,855.07 : x
  2. Step 2: Convert to fraction form
    141,755.03/212,558.72 = 66,855.07/x
  3. Step 3: Cross multiply
    141,755.03x = 212,558.72 × 66,855.07
  4. Step 4: Simplify right side
    141,755.03x = 14,210,627,041.92
  5. Step 5: Solve for x
    x = 14,210,627,041.92/141,755.03
  6. Step 6: Final answer
    x = 100,247.78

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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.