Home / 85,669.00-118,285.58-68,766.22

Finding the Fourth Proportional to 85,669.00, 118,285.58 and 68,766.22

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Solution

The fourth proportional to 85,669.00, 118,285.58 and 68,766.22 is: 94,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,669.00 : 118,285.58 = 68,766.22 : x
  2. Step 2: Convert to fraction form
    85,669.00/118,285.58 = 68,766.22/x
  3. Step 3: Cross multiply
    85,669.00x = 118,285.58 × 68,766.22
  4. Step 4: Simplify right side
    85,669.00x = 8,134,052,536.88
  5. Step 5: Solve for x
    x = 8,134,052,536.88/85,669.00
  6. Step 6: Final answer
    x = 94,947.45

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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.