Home / 105,701.74-145,867.29-57,954.97

Finding the Fourth Proportional to 105,701.74, 145,867.29 and 57,954.97

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Solution

The fourth proportional to 105,701.74, 145,867.29 and 57,954.97 is: 79,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.74 : 145,867.29 = 57,954.97 : x
  2. Step 2: Convert to fraction form
    105,701.74/145,867.29 = 57,954.97/x
  3. Step 3: Cross multiply
    105,701.74x = 145,867.29 × 57,954.97
  4. Step 4: Simplify right side
    105,701.74x = 8,453,734,415.93
  5. Step 5: Solve for x
    x = 8,453,734,415.93/105,701.74
  6. Step 6: Final answer
    x = 79,977.25

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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.