Home / 105,700.68-145,868.94-57,951.18

Finding the Fourth Proportional to 105,700.68, 145,868.94 and 57,951.18

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Solution

The fourth proportional to 105,700.68, 145,868.94 and 57,951.18 is: 79,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,700.68 : 145,868.94 = 57,951.18 : x
  2. Step 2: Convert to fraction form
    105,700.68/145,868.94 = 57,951.18/x
  3. Step 3: Cross multiply
    105,700.68x = 145,868.94 × 57,951.18
  4. Step 4: Simplify right side
    105,700.68x = 8,453,277,198.35
  5. Step 5: Solve for x
    x = 8,453,277,198.35/105,700.68
  6. Step 6: Final answer
    x = 79,973.73

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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.