Home / 104,206.08-143,751.96-68,391.12

Finding the Fourth Proportional to 104,206.08, 143,751.96 and 68,391.12

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Solution

The fourth proportional to 104,206.08, 143,751.96 and 68,391.12 is: 94,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,206.08 : 143,751.96 = 68,391.12 : x
  2. Step 2: Convert to fraction form
    104,206.08/143,751.96 = 68,391.12/x
  3. Step 3: Cross multiply
    104,206.08x = 143,751.96 × 68,391.12
  4. Step 4: Simplify right side
    104,206.08x = 9,831,357,546.60
  5. Step 5: Solve for x
    x = 9,831,357,546.60/104,206.08
  6. Step 6: Final answer
    x = 94,345.34

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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.