Home / 163,918.21-245,891.24-45,589.55

Finding the Fourth Proportional to 163,918.21, 245,891.24 and 45,589.55

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Solution

The fourth proportional to 163,918.21, 245,891.24 and 45,589.55 is: 68,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,918.21 : 245,891.24 = 45,589.55 : x
  2. Step 2: Convert to fraction form
    163,918.21/245,891.24 = 45,589.55/x
  3. Step 3: Cross multiply
    163,918.21x = 245,891.24 × 45,589.55
  4. Step 4: Simplify right side
    163,918.21x = 11,210,071,852.36
  5. Step 5: Solve for x
    x = 11,210,071,852.36/163,918.21
  6. Step 6: Final answer
    x = 68,388.20

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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.