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Finding the Fourth Proportional to 100,209.60, 150,314.40 and 93,648.60

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Solution

The fourth proportional to 100,209.60, 150,314.40 and 93,648.60 is: 140,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,209.60 : 150,314.40 = 93,648.60 : x
  2. Step 2: Convert to fraction form
    100,209.60/150,314.40 = 93,648.60/x
  3. Step 3: Cross multiply
    100,209.60x = 150,314.40 × 93,648.60
  4. Step 4: Simplify right side
    100,209.60x = 14,076,733,119.84
  5. Step 5: Solve for x
    x = 14,076,733,119.84/100,209.60
  6. Step 6: Final answer
    x = 140,472.90

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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.