Home / 140,010.96-210,017.64-45,255.54

Finding the Fourth Proportional to 140,010.96, 210,017.64 and 45,255.54

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Solution

The fourth proportional to 140,010.96, 210,017.64 and 45,255.54 is: 67,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.96 : 210,017.64 = 45,255.54 : x
  2. Step 2: Convert to fraction form
    140,010.96/210,017.64 = 45,255.54/x
  3. Step 3: Cross multiply
    140,010.96x = 210,017.64 × 45,255.54
  4. Step 4: Simplify right side
    140,010.96x = 9,504,461,707.73
  5. Step 5: Solve for x
    x = 9,504,461,707.73/140,010.96
  6. Step 6: Final answer
    x = 67,883.70

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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.