Home / 145,918.58-201,370.70-82,256.37

Finding the Fourth Proportional to 145,918.58, 201,370.70 and 82,256.37

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Solution

The fourth proportional to 145,918.58, 201,370.70 and 82,256.37 is: 113,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,918.58 : 201,370.70 = 82,256.37 : x
  2. Step 2: Convert to fraction form
    145,918.58/201,370.70 = 82,256.37/x
  3. Step 3: Cross multiply
    145,918.58x = 201,370.70 × 82,256.37
  4. Step 4: Simplify right side
    145,918.58x = 16,564,023,012.00
  5. Step 5: Solve for x
    x = 16,564,023,012.00/145,918.58
  6. Step 6: Final answer
    x = 113,515.52

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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.