Home / 104,660.64-144,406.40-66,406.24

Finding the Fourth Proportional to 104,660.64, 144,406.40 and 66,406.24

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Solution

The fourth proportional to 104,660.64, 144,406.40 and 66,406.24 is: 91,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.64 : 144,406.40 = 66,406.24 : x
  2. Step 2: Convert to fraction form
    104,660.64/144,406.40 = 66,406.24/x
  3. Step 3: Cross multiply
    104,660.64x = 144,406.40 × 66,406.24
  4. Step 4: Simplify right side
    104,660.64x = 9,589,486,055.94
  5. Step 5: Solve for x
    x = 9,589,486,055.94/104,660.64
  6. Step 6: Final answer
    x = 91,624.57

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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.