Home / 140,141.26-210,086.89-51,374.05

Finding the Fourth Proportional to 140,141.26, 210,086.89 and 51,374.05

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Solution

The fourth proportional to 140,141.26, 210,086.89 and 51,374.05 is: 77,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,141.26 : 210,086.89 = 51,374.05 : x
  2. Step 2: Convert to fraction form
    140,141.26/210,086.89 = 51,374.05/x
  3. Step 3: Cross multiply
    140,141.26x = 210,086.89 × 51,374.05
  4. Step 4: Simplify right side
    140,141.26x = 10,793,014,391.20
  5. Step 5: Solve for x
    x = 10,793,014,391.20/140,141.26
  6. Step 6: Final answer
    x = 77,015.25

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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.