Home / 252,163.60-347,981.27-137,443.30

Finding the Fourth Proportional to 252,163.60, 347,981.27 and 137,443.30

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Solution

The fourth proportional to 252,163.60, 347,981.27 and 137,443.30 is: 189,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,163.60 : 347,981.27 = 137,443.30 : x
  2. Step 2: Convert to fraction form
    252,163.60/347,981.27 = 137,443.30/x
  3. Step 3: Cross multiply
    252,163.60x = 347,981.27 × 137,443.30
  4. Step 4: Simplify right side
    252,163.60x = 47,827,692,529.82
  5. Step 5: Solve for x
    x = 47,827,692,529.82/252,163.60
  6. Step 6: Final answer
    x = 189,669.30

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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.