Home / 157,413.09-217,313.13-126,450.66

Finding the Fourth Proportional to 157,413.09, 217,313.13 and 126,450.66

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Solution

The fourth proportional to 157,413.09, 217,313.13 and 126,450.66 is: 174,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,413.09 : 217,313.13 = 126,450.66 : x
  2. Step 2: Convert to fraction form
    157,413.09/217,313.13 = 126,450.66/x
  3. Step 3: Cross multiply
    157,413.09x = 217,313.13 × 126,450.66
  4. Step 4: Simplify right side
    157,413.09x = 27,479,388,715.17
  5. Step 5: Solve for x
    x = 27,479,388,715.17/157,413.09
  6. Step 6: Final answer
    x = 174,568.64

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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.