Home / 140,429.10-210,315.60-137,610.30

Finding the Fourth Proportional to 140,429.10, 210,315.60 and 137,610.30

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Solution

The fourth proportional to 140,429.10, 210,315.60 and 137,610.30 is: 206,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,429.10 : 210,315.60 = 137,610.30 : x
  2. Step 2: Convert to fraction form
    140,429.10/210,315.60 = 137,610.30/x
  3. Step 3: Cross multiply
    140,429.10x = 210,315.60 × 137,610.30
  4. Step 4: Simplify right side
    140,429.10x = 28,941,592,810.68
  5. Step 5: Solve for x
    x = 28,941,592,810.68/140,429.10
  6. Step 6: Final answer
    x = 206,093.98

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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.