Home / 140,173.38-210,135.02-51,406.14

Finding the Fourth Proportional to 140,173.38, 210,135.02 and 51,406.14

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Solution

The fourth proportional to 140,173.38, 210,135.02 and 51,406.14 is: 77,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,173.38 : 210,135.02 = 51,406.14 : x
  2. Step 2: Convert to fraction form
    140,173.38/210,135.02 = 51,406.14/x
  3. Step 3: Cross multiply
    140,173.38x = 210,135.02 × 51,406.14
  4. Step 4: Simplify right side
    140,173.38x = 10,802,230,257.02
  5. Step 5: Solve for x
    x = 10,802,230,257.02/140,173.38
  6. Step 6: Final answer
    x = 77,063.35

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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.