Home / 139,741.33-209,612.08-44,971.49

Finding the Fourth Proportional to 139,741.33, 209,612.08 and 44,971.49

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Solution

The fourth proportional to 139,741.33, 209,612.08 and 44,971.49 is: 67,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,741.33 : 209,612.08 = 44,971.49 : x
  2. Step 2: Convert to fraction form
    139,741.33/209,612.08 = 44,971.49/x
  3. Step 3: Cross multiply
    139,741.33x = 209,612.08 × 44,971.49
  4. Step 4: Simplify right side
    139,741.33x = 9,426,567,559.60
  5. Step 5: Solve for x
    x = 9,426,567,559.60/139,741.33
  6. Step 6: Final answer
    x = 67,457.26

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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.