Home / 140,006.20-210,009.30-79,973.05

Finding the Fourth Proportional to 140,006.20, 210,009.30 and 79,973.05

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Solution

The fourth proportional to 140,006.20, 210,009.30 and 79,973.05 is: 119,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.20 : 210,009.30 = 79,973.05 : x
  2. Step 2: Convert to fraction form
    140,006.20/210,009.30 = 79,973.05/x
  3. Step 3: Cross multiply
    140,006.20x = 210,009.30 × 79,973.05
  4. Step 4: Simplify right side
    140,006.20x = 16,795,084,249.37
  5. Step 5: Solve for x
    x = 16,795,084,249.37/140,006.20
  6. Step 6: Final answer
    x = 119,959.58

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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.