Home / 104,507.32-144,261.46-72,694.68

Finding the Fourth Proportional to 104,507.32, 144,261.46 and 72,694.68

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Solution

The fourth proportional to 104,507.32, 144,261.46 and 72,694.68 is: 100,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,507.32 : 144,261.46 = 72,694.68 : x
  2. Step 2: Convert to fraction form
    104,507.32/144,261.46 = 72,694.68/x
  3. Step 3: Cross multiply
    104,507.32x = 144,261.46 × 72,694.68
  4. Step 4: Simplify right side
    104,507.32x = 10,487,040,671.03
  5. Step 5: Solve for x
    x = 10,487,040,671.03/104,507.32
  6. Step 6: Final answer
    x = 100,347.43

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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.