Home / 104,237.50-143,863.19-66,000.60

Finding the Fourth Proportional to 104,237.50, 143,863.19 and 66,000.60

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Solution

The fourth proportional to 104,237.50, 143,863.19 and 66,000.60 is: 91,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,237.50 : 143,863.19 = 66,000.60 : x
  2. Step 2: Convert to fraction form
    104,237.50/143,863.19 = 66,000.60/x
  3. Step 3: Cross multiply
    104,237.50x = 143,863.19 × 66,000.60
  4. Step 4: Simplify right side
    104,237.50x = 9,495,057,300.07
  5. Step 5: Solve for x
    x = 9,495,057,300.07/104,237.50
  6. Step 6: Final answer
    x = 91,090.61

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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.