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Finding the Fourth Proportional to 163,804.41, 245,679.21 and 45,487.71

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Solution

The fourth proportional to 163,804.41, 245,679.21 and 45,487.71 is: 68,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,804.41 : 245,679.21 = 45,487.71 : x
  2. Step 2: Convert to fraction form
    163,804.41/245,679.21 = 45,487.71/x
  3. Step 3: Cross multiply
    163,804.41x = 245,679.21 × 45,487.71
  4. Step 4: Simplify right side
    163,804.41x = 11,175,384,657.51
  5. Step 5: Solve for x
    x = 11,175,384,657.51/163,804.41
  6. Step 6: Final answer
    x = 68,223.95

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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.