Home / 140,622.24-210,964.92-47,125.56

Finding the Fourth Proportional to 140,622.24, 210,964.92 and 47,125.56

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Solution

The fourth proportional to 140,622.24, 210,964.92 and 47,125.56 is: 70,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.24 : 210,964.92 = 47,125.56 : x
  2. Step 2: Convert to fraction form
    140,622.24/210,964.92 = 47,125.56/x
  3. Step 3: Cross multiply
    140,622.24x = 210,964.92 × 47,125.56
  4. Step 4: Simplify right side
    140,622.24x = 9,941,839,995.36
  5. Step 5: Solve for x
    x = 9,941,839,995.36/140,622.24
  6. Step 6: Final answer
    x = 70,698.92

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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.