Home / 197,396.10-272,413.71-112,499.46

Finding the Fourth Proportional to 197,396.10, 272,413.71 and 112,499.46

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Solution

The fourth proportional to 197,396.10, 272,413.71 and 112,499.46 is: 155,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,396.10 : 272,413.71 = 112,499.46 : x
  2. Step 2: Convert to fraction form
    197,396.10/272,413.71 = 112,499.46/x
  3. Step 3: Cross multiply
    197,396.10x = 272,413.71 × 112,499.46
  4. Step 4: Simplify right side
    197,396.10x = 30,646,395,271.60
  5. Step 5: Solve for x
    x = 30,646,395,271.60/197,396.10
  6. Step 6: Final answer
    x = 155,253.30

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Why These Related Problems?

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