Home / 217,413.81-299,974.32-125,510.67

Finding the Fourth Proportional to 217,413.81, 299,974.32 and 125,510.67

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Solution

The fourth proportional to 217,413.81, 299,974.32 and 125,510.67 is: 173,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,413.81 : 299,974.32 = 125,510.67 : x
  2. Step 2: Convert to fraction form
    217,413.81/299,974.32 = 125,510.67/x
  3. Step 3: Cross multiply
    217,413.81x = 299,974.32 × 125,510.67
  4. Step 4: Simplify right side
    217,413.81x = 37,649,977,885.99
  5. Step 5: Solve for x
    x = 37,649,977,885.99/217,413.81
  6. Step 6: Final answer
    x = 173,171.97

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1.5x scale

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.