Home / 140,282.47-210,285.19-55,991.85

Finding the Fourth Proportional to 140,282.47, 210,285.19 and 55,991.85

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Solution

The fourth proportional to 140,282.47, 210,285.19 and 55,991.85 is: 83,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.47 : 210,285.19 = 55,991.85 : x
  2. Step 2: Convert to fraction form
    140,282.47/210,285.19 = 55,991.85/x
  3. Step 3: Cross multiply
    140,282.47x = 210,285.19 × 55,991.85
  4. Step 4: Simplify right side
    140,282.47x = 11,774,256,815.70
  5. Step 5: Solve for x
    x = 11,774,256,815.70/140,282.47
  6. Step 6: Final answer
    x = 83,932.49

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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.