Home / 140,304.46-210,539.66-51,620.19

Finding the Fourth Proportional to 140,304.46, 210,539.66 and 51,620.19

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Solution

The fourth proportional to 140,304.46, 210,539.66 and 51,620.19 is: 77,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.46 : 210,539.66 = 51,620.19 : x
  2. Step 2: Convert to fraction form
    140,304.46/210,539.66 = 51,620.19/x
  3. Step 3: Cross multiply
    140,304.46x = 210,539.66 × 51,620.19
  4. Step 4: Simplify right side
    140,304.46x = 10,868,097,251.74
  5. Step 5: Solve for x
    x = 10,868,097,251.74/140,304.46
  6. Step 6: Final answer
    x = 77,460.81

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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.