Home / 104,785.96-144,526.64-66,512.26

Finding the Fourth Proportional to 104,785.96, 144,526.64 and 66,512.26

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Solution

The fourth proportional to 104,785.96, 144,526.64 and 66,512.26 is: 91,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.96 : 144,526.64 = 66,512.26 : x
  2. Step 2: Convert to fraction form
    104,785.96/144,526.64 = 66,512.26/x
  3. Step 3: Cross multiply
    104,785.96x = 144,526.64 × 66,512.26
  4. Step 4: Simplify right side
    104,785.96x = 9,612,793,456.61
  5. Step 5: Solve for x
    x = 9,612,793,456.61/104,785.96
  6. Step 6: Final answer
    x = 91,737.42

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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.