Home / 105,694.80-145,855.67-57,946.52

Finding the Fourth Proportional to 105,694.80, 145,855.67 and 57,946.52

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Solution

The fourth proportional to 105,694.80, 145,855.67 and 57,946.52 is: 79,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,694.80 : 145,855.67 = 57,946.52 : x
  2. Step 2: Convert to fraction form
    105,694.80/145,855.67 = 57,946.52/x
  3. Step 3: Cross multiply
    105,694.80x = 145,855.67 × 57,946.52
  4. Step 4: Simplify right side
    105,694.80x = 8,451,827,479.76
  5. Step 5: Solve for x
    x = 8,451,827,479.76/105,694.80
  6. Step 6: Final answer
    x = 79,964.46

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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.