Home / 143,440.60-214,901.70-126,851.80

Finding the Fourth Proportional to 143,440.60, 214,901.70 and 126,851.80

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Solution

The fourth proportional to 143,440.60, 214,901.70 and 126,851.80 is: 190,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,440.60 : 214,901.70 = 126,851.80 : x
  2. Step 2: Convert to fraction form
    143,440.60/214,901.70 = 126,851.80/x
  3. Step 3: Cross multiply
    143,440.60x = 214,901.70 × 126,851.80
  4. Step 4: Simplify right side
    143,440.60x = 27,260,667,468.06
  5. Step 5: Solve for x
    x = 27,260,667,468.06/143,440.60
  6. Step 6: Final answer
    x = 190,048.48

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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.