Home / 163,986.68-245,980.20-45,658.28

Finding the Fourth Proportional to 163,986.68, 245,980.20 and 45,658.28

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Solution

The fourth proportional to 163,986.68, 245,980.20 and 45,658.28 is: 68,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,986.68 : 245,980.20 = 45,658.28 : x
  2. Step 2: Convert to fraction form
    163,986.68/245,980.20 = 45,658.28/x
  3. Step 3: Cross multiply
    163,986.68x = 245,980.20 × 45,658.28
  4. Step 4: Simplify right side
    163,986.68x = 11,231,032,846.06
  5. Step 5: Solve for x
    x = 11,231,032,846.06/163,986.68
  6. Step 6: Final answer
    x = 68,487.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.