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Finding the Fourth Proportional to 140,801.54, 211,202.46 and 35,620.47

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Solution

The fourth proportional to 140,801.54, 211,202.46 and 35,620.47 is: 53,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,801.54 : 211,202.46 = 35,620.47 : x
  2. Step 2: Convert to fraction form
    140,801.54/211,202.46 = 35,620.47/x
  3. Step 3: Cross multiply
    140,801.54x = 211,202.46 × 35,620.47
  4. Step 4: Simplify right side
    140,801.54x = 7,523,130,890.36
  5. Step 5: Solve for x
    x = 7,523,130,890.36/140,801.54
  6. Step 6: Final answer
    x = 53,430.74

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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.