Home / 140,653.06-210,956.84-51,948.34

Finding the Fourth Proportional to 140,653.06, 210,956.84 and 51,948.34

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Solution

The fourth proportional to 140,653.06, 210,956.84 and 51,948.34 is: 77,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,653.06 : 210,956.84 = 51,948.34 : x
  2. Step 2: Convert to fraction form
    140,653.06/210,956.84 = 51,948.34/x
  3. Step 3: Cross multiply
    140,653.06x = 210,956.84 × 51,948.34
  4. Step 4: Simplify right side
    140,653.06x = 10,958,857,649.65
  5. Step 5: Solve for x
    x = 10,958,857,649.65/140,653.06
  6. Step 6: Final answer
    x = 77,914.11

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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.