Home / 105,003.88-144,908.40-57,258.16

Finding the Fourth Proportional to 105,003.88, 144,908.40 and 57,258.16

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Solution

The fourth proportional to 105,003.88, 144,908.40 and 57,258.16 is: 79,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003.88 : 144,908.40 = 57,258.16 : x
  2. Step 2: Convert to fraction form
    105,003.88/144,908.40 = 57,258.16/x
  3. Step 3: Cross multiply
    105,003.88x = 144,908.40 × 57,258.16
  4. Step 4: Simplify right side
    105,003.88x = 8,297,188,352.54
  5. Step 5: Solve for x
    x = 8,297,188,352.54/105,003.88
  6. Step 6: Final answer
    x = 79,017.92

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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.