Home / 163,464.75-245,211.21-45,136.11

Finding the Fourth Proportional to 163,464.75, 245,211.21 and 45,136.11

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Solution

The fourth proportional to 163,464.75, 245,211.21 and 45,136.11 is: 67,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,464.75 : 245,211.21 = 45,136.11 : x
  2. Step 2: Convert to fraction form
    163,464.75/245,211.21 = 45,136.11/x
  3. Step 3: Cross multiply
    163,464.75x = 245,211.21 × 45,136.11
  4. Step 4: Simplify right side
    163,464.75x = 11,067,880,147.79
  5. Step 5: Solve for x
    x = 11,067,880,147.79/163,464.75
  6. Step 6: Final answer
    x = 67,708.05

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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.