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Finding the Fourth Proportional to 163,283.80, 225,341.73 and 108,742.45

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Solution

The fourth proportional to 163,283.80, 225,341.73 and 108,742.45 is: 150,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,283.80 : 225,341.73 = 108,742.45 : x
  2. Step 2: Convert to fraction form
    163,283.80/225,341.73 = 108,742.45/x
  3. Step 3: Cross multiply
    163,283.80x = 225,341.73 × 108,742.45
  4. Step 4: Simplify right side
    163,283.80x = 24,504,211,807.44
  5. Step 5: Solve for x
    x = 24,504,211,807.44/163,283.80
  6. Step 6: Final answer
    x = 150,071.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.