Home / 110,457.66-165,637.26-40,287.75

Finding the Fourth Proportional to 110,457.66, 165,637.26 and 40,287.75

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Solution

The fourth proportional to 110,457.66, 165,637.26 and 40,287.75 is: 60,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,457.66 : 165,637.26 = 40,287.75 : x
  2. Step 2: Convert to fraction form
    110,457.66/165,637.26 = 40,287.75/x
  3. Step 3: Cross multiply
    110,457.66x = 165,637.26 × 40,287.75
  4. Step 4: Simplify right side
    110,457.66x = 6,673,152,521.57
  5. Step 5: Solve for x
    x = 6,673,152,521.57/110,457.66
  6. Step 6: Final answer
    x = 60,413.67

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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.