Home / 143,955.63-215,933.45-73,790.19

Finding the Fourth Proportional to 143,955.63, 215,933.45 and 73,790.19

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Solution

The fourth proportional to 143,955.63, 215,933.45 and 73,790.19 is: 110,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.63 : 215,933.45 = 73,790.19 : x
  2. Step 2: Convert to fraction form
    143,955.63/215,933.45 = 73,790.19/x
  3. Step 3: Cross multiply
    143,955.63x = 215,933.45 × 73,790.19
  4. Step 4: Simplify right side
    143,955.63x = 15,933,769,933.90
  5. Step 5: Solve for x
    x = 15,933,769,933.90/143,955.63
  6. Step 6: Final answer
    x = 110,685.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.