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Finding the Fourth Proportional to 163,670.40, 245,505.60 and 140,050.80

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Solution

The fourth proportional to 163,670.40, 245,505.60 and 140,050.80 is: 210,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.40 : 245,505.60 = 140,050.80 : x
  2. Step 2: Convert to fraction form
    163,670.40/245,505.60 = 140,050.80/x
  3. Step 3: Cross multiply
    163,670.40x = 245,505.60 × 140,050.80
  4. Step 4: Simplify right side
    163,670.40x = 34,383,255,684.48
  5. Step 5: Solve for x
    x = 34,383,255,684.48/163,670.40
  6. Step 6: Final answer
    x = 210,076.20

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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.