Home / 210,146.42-315,196.27-75,205.05

Finding the Fourth Proportional to 210,146.42, 315,196.27 and 75,205.05

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Solution

The fourth proportional to 210,146.42, 315,196.27 and 75,205.05 is: 112,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.42 : 315,196.27 = 75,205.05 : x
  2. Step 2: Convert to fraction form
    210,146.42/315,196.27 = 75,205.05/x
  3. Step 3: Cross multiply
    210,146.42x = 315,196.27 × 75,205.05
  4. Step 4: Simplify right side
    210,146.42x = 23,704,349,481.17
  5. Step 5: Solve for x
    x = 23,704,349,481.17/210,146.42
  6. Step 6: Final answer
    x = 112,799.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.