Home / 140,146.19-210,094.25-51,378.96

Finding the Fourth Proportional to 140,146.19, 210,094.25 and 51,378.96

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Solution

The fourth proportional to 140,146.19, 210,094.25 and 51,378.96 is: 77,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146.19 : 210,094.25 = 51,378.96 : x
  2. Step 2: Convert to fraction form
    140,146.19/210,094.25 = 51,378.96/x
  3. Step 3: Cross multiply
    140,146.19x = 210,094.25 × 51,378.96
  4. Step 4: Simplify right side
    140,146.19x = 10,794,423,810.09
  5. Step 5: Solve for x
    x = 10,794,423,810.09/140,146.19
  6. Step 6: Final answer
    x = 77,022.60

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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.