Home / 142,759.10-214,138.65-44,250.30

Finding the Fourth Proportional to 142,759.10, 214,138.65 and 44,250.30

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Solution

The fourth proportional to 142,759.10, 214,138.65 and 44,250.30 is: 66,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,759.10 : 214,138.65 = 44,250.30 : x
  2. Step 2: Convert to fraction form
    142,759.10/214,138.65 = 44,250.30/x
  3. Step 3: Cross multiply
    142,759.10x = 214,138.65 × 44,250.30
  4. Step 4: Simplify right side
    142,759.10x = 9,475,699,504.10
  5. Step 5: Solve for x
    x = 9,475,699,504.10/142,759.10
  6. Step 6: Final answer
    x = 66,375.45

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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.