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Finding the Fourth Proportional to 163,121.60, 244,682.40 and 146,014.40

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Solution

The fourth proportional to 163,121.60, 244,682.40 and 146,014.40 is: 219,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,121.60 : 244,682.40 = 146,014.40 : x
  2. Step 2: Convert to fraction form
    163,121.60/244,682.40 = 146,014.40/x
  3. Step 3: Cross multiply
    163,121.60x = 244,682.40 × 146,014.40
  4. Step 4: Simplify right side
    163,121.60x = 35,727,153,826.56
  5. Step 5: Solve for x
    x = 35,727,153,826.56/163,121.60
  6. Step 6: Final answer
    x = 219,021.60

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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.