Home / 165,086.80-247,630.20-163,531.60

Finding the Fourth Proportional to 165,086.80, 247,630.20 and 163,531.60

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Solution

The fourth proportional to 165,086.80, 247,630.20 and 163,531.60 is: 245,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,086.80 : 247,630.20 = 163,531.60 : x
  2. Step 2: Convert to fraction form
    165,086.80/247,630.20 = 163,531.60/x
  3. Step 3: Cross multiply
    165,086.80x = 247,630.20 × 163,531.60
  4. Step 4: Simplify right side
    165,086.80x = 40,495,362,814.32
  5. Step 5: Solve for x
    x = 40,495,362,814.32/165,086.80
  6. Step 6: Final answer
    x = 245,297.40

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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.