Home / 103,944.02-143,465.00-65,679.27

Finding the Fourth Proportional to 103,944.02, 143,465.00 and 65,679.27

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Solution

The fourth proportional to 103,944.02, 143,465.00 and 65,679.27 is: 90,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,944.02 : 143,465.00 = 65,679.27 : x
  2. Step 2: Convert to fraction form
    103,944.02/143,465.00 = 65,679.27/x
  3. Step 3: Cross multiply
    103,944.02x = 143,465.00 × 65,679.27
  4. Step 4: Simplify right side
    103,944.02x = 9,422,675,604.16
  5. Step 5: Solve for x
    x = 9,422,675,604.16/103,944.02
  6. Step 6: Final answer
    x = 90,651.45

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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.