Home / 140,628.60-210,986.10-111,058.20

Finding the Fourth Proportional to 140,628.60, 210,986.10 and 111,058.20

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Solution

The fourth proportional to 140,628.60, 210,986.10 and 111,058.20 is: 166,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,628.60 : 210,986.10 = 111,058.20 : x
  2. Step 2: Convert to fraction form
    140,628.60/210,986.10 = 111,058.20/x
  3. Step 3: Cross multiply
    140,628.60x = 210,986.10 × 111,058.20
  4. Step 4: Simplify right side
    140,628.60x = 23,431,736,491.02
  5. Step 5: Solve for x
    x = 23,431,736,491.02/140,628.60
  6. Step 6: Final answer
    x = 166,621.42

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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.