Home / 105,014.97-144,917.46-57,269.25

Finding the Fourth Proportional to 105,014.97, 144,917.46 and 57,269.25

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Solution

The fourth proportional to 105,014.97, 144,917.46 and 57,269.25 is: 79,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014.97 : 144,917.46 = 57,269.25 : x
  2. Step 2: Convert to fraction form
    105,014.97/144,917.46 = 57,269.25/x
  3. Step 3: Cross multiply
    105,014.97x = 144,917.46 × 57,269.25
  4. Step 4: Simplify right side
    105,014.97x = 8,299,314,246.11
  5. Step 5: Solve for x
    x = 8,299,314,246.11/105,014.97
  6. Step 6: Final answer
    x = 79,029.82

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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.