Home / 101,727.09-140,379.89-56,413.67

Finding the Fourth Proportional to 101,727.09, 140,379.89 and 56,413.67

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Solution

The fourth proportional to 101,727.09, 140,379.89 and 56,413.67 is: 77,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.09 : 140,379.89 = 56,413.67 : x
  2. Step 2: Convert to fraction form
    101,727.09/140,379.89 = 56,413.67/x
  3. Step 3: Cross multiply
    101,727.09x = 140,379.89 × 56,413.67
  4. Step 4: Simplify right side
    101,727.09x = 7,919,343,805.13
  5. Step 5: Solve for x
    x = 7,919,343,805.13/101,727.09
  6. Step 6: Final answer
    x = 77,848.92

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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.