Home / 142,283.64-213,451.38-48,768.60

Finding the Fourth Proportional to 142,283.64, 213,451.38 and 48,768.60

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Solution

The fourth proportional to 142,283.64, 213,451.38 and 48,768.60 is: 73,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,283.64 : 213,451.38 = 48,768.60 : x
  2. Step 2: Convert to fraction form
    142,283.64/213,451.38 = 48,768.60/x
  3. Step 3: Cross multiply
    142,283.64x = 213,451.38 × 48,768.60
  4. Step 4: Simplify right side
    142,283.64x = 10,409,724,970.67
  5. Step 5: Solve for x
    x = 10,409,724,970.67/142,283.64
  6. Step 6: Final answer
    x = 73,161.78

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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.