Home / 104,149.37-143,728.76-63,885.33

Finding the Fourth Proportional to 104,149.37, 143,728.76 and 63,885.33

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Solution

The fourth proportional to 104,149.37, 143,728.76 and 63,885.33 is: 88,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.37 : 143,728.76 = 63,885.33 : x
  2. Step 2: Convert to fraction form
    104,149.37/143,728.76 = 63,885.33/x
  3. Step 3: Cross multiply
    104,149.37x = 143,728.76 × 63,885.33
  4. Step 4: Simplify right side
    104,149.37x = 9,182,159,263.09
  5. Step 5: Solve for x
    x = 9,182,159,263.09/104,149.37
  6. Step 6: Final answer
    x = 88,163.37

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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.