Home / 104,372.54-144,109.01-64,140.25

Finding the Fourth Proportional to 104,372.54, 144,109.01 and 64,140.25

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Solution

The fourth proportional to 104,372.54, 144,109.01 and 64,140.25 is: 88,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,372.54 : 144,109.01 = 64,140.25 : x
  2. Step 2: Convert to fraction form
    104,372.54/144,109.01 = 64,140.25/x
  3. Step 3: Cross multiply
    104,372.54x = 144,109.01 × 64,140.25
  4. Step 4: Simplify right side
    104,372.54x = 9,243,187,247.68
  5. Step 5: Solve for x
    x = 9,243,187,247.68/104,372.54
  6. Step 6: Final answer
    x = 88,559.57

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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.