Home / 147,139.07-203,037.87-82,593.52

Finding the Fourth Proportional to 147,139.07, 203,037.87 and 82,593.52

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Solution

The fourth proportional to 147,139.07, 203,037.87 and 82,593.52 is: 113,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,139.07 : 203,037.87 = 82,593.52 : x
  2. Step 2: Convert to fraction form
    147,139.07/203,037.87 = 82,593.52/x
  3. Step 3: Cross multiply
    147,139.07x = 203,037.87 × 82,593.52
  4. Step 4: Simplify right side
    147,139.07x = 16,769,611,361.41
  5. Step 5: Solve for x
    x = 16,769,611,361.41/147,139.07
  6. Step 6: Final answer
    x = 113,971.17

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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.