Home / 104,821.07-144,673.56-66,625.12

Finding the Fourth Proportional to 104,821.07, 144,673.56 and 66,625.12

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Solution

The fourth proportional to 104,821.07, 144,673.56 and 66,625.12 is: 91,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.07 : 144,673.56 = 66,625.12 : x
  2. Step 2: Convert to fraction form
    104,821.07/144,673.56 = 66,625.12/x
  3. Step 3: Cross multiply
    104,821.07x = 144,673.56 × 66,625.12
  4. Step 4: Simplify right side
    104,821.07x = 9,638,892,934.14
  5. Step 5: Solve for x
    x = 9,638,892,934.14/104,821.07
  6. Step 6: Final answer
    x = 91,955.68

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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.