Home / 140,054.82-210,053.40-40,192.75

Finding the Fourth Proportional to 140,054.82, 210,053.40 and 40,192.75

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Solution

The fourth proportional to 140,054.82, 210,053.40 and 40,192.75 is: 60,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.82 : 210,053.40 = 40,192.75 : x
  2. Step 2: Convert to fraction form
    140,054.82/210,053.40 = 40,192.75/x
  3. Step 3: Cross multiply
    140,054.82x = 210,053.40 × 40,192.75
  4. Step 4: Simplify right side
    140,054.82x = 8,442,623,893.33
  5. Step 5: Solve for x
    x = 8,442,623,893.33/140,054.82
  6. Step 6: Final answer
    x = 60,280.85

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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.