Home / 104,030.92-143,522.58-72,183.88

Finding the Fourth Proportional to 104,030.92, 143,522.58 and 72,183.88

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Solution

The fourth proportional to 104,030.92, 143,522.58 and 72,183.88 is: 99,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,030.92 : 143,522.58 = 72,183.88 : x
  2. Step 2: Convert to fraction form
    104,030.92/143,522.58 = 72,183.88/x
  3. Step 3: Cross multiply
    104,030.92x = 143,522.58 × 72,183.88
  4. Step 4: Simplify right side
    104,030.92x = 10,360,016,692.01
  5. Step 5: Solve for x
    x = 10,360,016,692.01/104,030.92
  6. Step 6: Final answer
    x = 99,585.94

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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.