Home / 105,444.99-145,517.58-57,698.42

Finding the Fourth Proportional to 105,444.99, 145,517.58 and 57,698.42

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Solution

The fourth proportional to 105,444.99, 145,517.58 and 57,698.42 is: 79,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,444.99 : 145,517.58 = 57,698.42 : x
  2. Step 2: Convert to fraction form
    105,444.99/145,517.58 = 57,698.42/x
  3. Step 3: Cross multiply
    105,444.99x = 145,517.58 × 57,698.42
  4. Step 4: Simplify right side
    105,444.99x = 8,396,133,720.64
  5. Step 5: Solve for x
    x = 8,396,133,720.64/105,444.99
  6. Step 6: Final answer
    x = 79,625.72

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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.