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Finding the Fourth Proportional to 163,625.60, 245,632.80 and 92,604.80

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Solution

The fourth proportional to 163,625.60, 245,632.80 and 92,604.80 is: 139,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,625.60 : 245,632.80 = 92,604.80 : x
  2. Step 2: Convert to fraction form
    163,625.60/245,632.80 = 92,604.80/x
  3. Step 3: Cross multiply
    163,625.60x = 245,632.80 × 92,604.80
  4. Step 4: Simplify right side
    163,625.60x = 22,746,776,317.44
  5. Step 5: Solve for x
    x = 22,746,776,317.44/163,625.60
  6. Step 6: Final answer
    x = 139,017.22

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1.5x scale

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.