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Finding the Fourth Proportional to 112,453.86, 155,302.53 and 97,273.65

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Solution

The fourth proportional to 112,453.86, 155,302.53 and 97,273.65 is: 134,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,453.86 : 155,302.53 = 97,273.65 : x
  2. Step 2: Convert to fraction form
    112,453.86/155,302.53 = 97,273.65/x
  3. Step 3: Cross multiply
    112,453.86x = 155,302.53 × 97,273.65
  4. Step 4: Simplify right side
    112,453.86x = 15,106,843,947.33
  5. Step 5: Solve for x
    x = 15,106,843,947.33/112,453.86
  6. Step 6: Final answer
    x = 134,338.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.