Home / 140,674.12-210,967.44-47,158

Finding the Fourth Proportional to 140,674.12, 210,967.44 and 47,158

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Solution

The fourth proportional to 140,674.12, 210,967.44 and 47,158 is: 70,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,674.12 : 210,967.44 = 47,158 : x
  2. Step 2: Convert to fraction form
    140,674.12/210,967.44 = 47,158/x
  3. Step 3: Cross multiply
    140,674.12x = 210,967.44 × 47,158
  4. Step 4: Simplify right side
    140,674.12x = 9,948,802,535.52
  5. Step 5: Solve for x
    x = 9,948,802,535.52/140,674.12
  6. Step 6: Final answer
    x = 70,722.34

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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.