Home / 123,639.67-185,247.64-83,037.07

Finding the Fourth Proportional to 123,639.67, 185,247.64 and 83,037.07

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Solution

The fourth proportional to 123,639.67, 185,247.64 and 83,037.07 is: 124,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,639.67 : 185,247.64 = 83,037.07 : x
  2. Step 2: Convert to fraction form
    123,639.67/185,247.64 = 83,037.07/x
  3. Step 3: Cross multiply
    123,639.67x = 185,247.64 × 83,037.07
  4. Step 4: Simplify right side
    123,639.67x = 15,382,421,250.01
  5. Step 5: Solve for x
    x = 15,382,421,250.01/123,639.67
  6. Step 6: Final answer
    x = 124,413.32

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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.