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Finding the Fourth Proportional to 109,350.60, 163,938.30 and 100,602.60

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Solution

The fourth proportional to 109,350.60, 163,938.30 and 100,602.60 is: 150,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,350.60 : 163,938.30 = 100,602.60 : x
  2. Step 2: Convert to fraction form
    109,350.60/163,938.30 = 100,602.60/x
  3. Step 3: Cross multiply
    109,350.60x = 163,938.30 × 100,602.60
  4. Step 4: Simplify right side
    109,350.60x = 16,492,619,219.58
  5. Step 5: Solve for x
    x = 16,492,619,219.58/109,350.60
  6. Step 6: Final answer
    x = 150,823.31

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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.