Home / 227,237.40-313,785.90-142,500.60

Finding the Fourth Proportional to 227,237.40, 313,785.90 and 142,500.60

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Solution

The fourth proportional to 227,237.40, 313,785.90 and 142,500.60 is: 196,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,237.40 : 313,785.90 = 142,500.60 : x
  2. Step 2: Convert to fraction form
    227,237.40/313,785.90 = 142,500.60/x
  3. Step 3: Cross multiply
    227,237.40x = 313,785.90 × 142,500.60
  4. Step 4: Simplify right side
    227,237.40x = 44,714,679,021.54
  5. Step 5: Solve for x
    x = 44,714,679,021.54/227,237.40
  6. Step 6: Final answer
    x = 196,775.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.