Home / 140,067.90-210,038.67-40,205.43

Finding the Fourth Proportional to 140,067.90, 210,038.67 and 40,205.43

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Solution

The fourth proportional to 140,067.90, 210,038.67 and 40,205.43 is: 60,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,067.90 : 210,038.67 = 40,205.43 : x
  2. Step 2: Convert to fraction form
    140,067.90/210,038.67 = 40,205.43/x
  3. Step 3: Cross multiply
    140,067.90x = 210,038.67 × 40,205.43
  4. Step 4: Simplify right side
    140,067.90x = 8,444,695,043.98
  5. Step 5: Solve for x
    x = 8,444,695,043.98/140,067.90
  6. Step 6: Final answer
    x = 60,290.01

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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.