Home / 140,287.36-210,432.96-46,793.20

Finding the Fourth Proportional to 140,287.36, 210,432.96 and 46,793.20

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Solution

The fourth proportional to 140,287.36, 210,432.96 and 46,793.20 is: 70,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,287.36 : 210,432.96 = 46,793.20 : x
  2. Step 2: Convert to fraction form
    140,287.36/210,432.96 = 46,793.20/x
  3. Step 3: Cross multiply
    140,287.36x = 210,432.96 × 46,793.20
  4. Step 4: Simplify right side
    140,287.36x = 9,846,831,583.87
  5. Step 5: Solve for x
    x = 9,846,831,583.87/140,287.36
  6. Step 6: Final answer
    x = 70,190.44

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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.