Home / 163,447.49-245,185.34-45,118.85

Finding the Fourth Proportional to 163,447.49, 245,185.34 and 45,118.85

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Solution

The fourth proportional to 163,447.49, 245,185.34 and 45,118.85 is: 67,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,447.49 : 245,185.34 = 45,118.85 : x
  2. Step 2: Convert to fraction form
    163,447.49/245,185.34 = 45,118.85/x
  3. Step 3: Cross multiply
    163,447.49x = 245,185.34 × 45,118.85
  4. Step 4: Simplify right side
    163,447.49x = 11,062,479,126.14
  5. Step 5: Solve for x
    x = 11,062,479,126.14/163,447.49
  6. Step 6: Final answer
    x = 67,682.16

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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.