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Finding the Fourth Proportional to 168,001.20, 252,001.80 and 101,516.40

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Solution

The fourth proportional to 168,001.20, 252,001.80 and 101,516.40 is: 152,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,001.20 : 252,001.80 = 101,516.40 : x
  2. Step 2: Convert to fraction form
    168,001.20/252,001.80 = 101,516.40/x
  3. Step 3: Cross multiply
    168,001.20x = 252,001.80 × 101,516.40
  4. Step 4: Simplify right side
    168,001.20x = 25,582,315,529.52
  5. Step 5: Solve for x
    x = 25,582,315,529.52/168,001.20
  6. Step 6: Final answer
    x = 152,274.60

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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.