Home / 140,280.48-210,422.40-46,786.20

Finding the Fourth Proportional to 140,280.48, 210,422.40 and 46,786.20

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Solution

The fourth proportional to 140,280.48, 210,422.40 and 46,786.20 is: 70,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280.48 : 210,422.40 = 46,786.20 : x
  2. Step 2: Convert to fraction form
    140,280.48/210,422.40 = 46,786.20/x
  3. Step 3: Cross multiply
    140,280.48x = 210,422.40 × 46,786.20
  4. Step 4: Simplify right side
    140,280.48x = 9,844,864,490.88
  5. Step 5: Solve for x
    x = 9,844,864,490.88/140,280.48
  6. Step 6: Final answer
    x = 70,179.86

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1.5x scale

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.