Home / 140,622.48-210,928.20-51,837.60

Finding the Fourth Proportional to 140,622.48, 210,928.20 and 51,837.60

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Solution

The fourth proportional to 140,622.48, 210,928.20 and 51,837.60 is: 77,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.48 : 210,928.20 = 51,837.60 : x
  2. Step 2: Convert to fraction form
    140,622.48/210,928.20 = 51,837.60/x
  3. Step 3: Cross multiply
    140,622.48x = 210,928.20 × 51,837.60
  4. Step 4: Simplify right side
    140,622.48x = 10,934,011,660.32
  5. Step 5: Solve for x
    x = 10,934,011,660.32/140,622.48
  6. Step 6: Final answer
    x = 77,754.37

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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.