Home / 104,371.55-144,107.62-64,139.25

Finding the Fourth Proportional to 104,371.55, 144,107.62 and 64,139.25

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Solution

The fourth proportional to 104,371.55, 144,107.62 and 64,139.25 is: 88,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,371.55 : 144,107.62 = 64,139.25 : x
  2. Step 2: Convert to fraction form
    104,371.55/144,107.62 = 64,139.25/x
  3. Step 3: Cross multiply
    104,371.55x = 144,107.62 × 64,139.25
  4. Step 4: Simplify right side
    104,371.55x = 9,242,954,666.09
  5. Step 5: Solve for x
    x = 9,242,954,666.09/104,371.55
  6. Step 6: Final answer
    x = 88,558.19

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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.