Home / 75,457.51-113,185.86-19,297.53

Finding the Fourth Proportional to 75,457.51, 113,185.86 and 19,297.53

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Solution

The fourth proportional to 75,457.51, 113,185.86 and 19,297.53 is: 28,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,457.51 : 113,185.86 = 19,297.53 : x
  2. Step 2: Convert to fraction form
    75,457.51/113,185.86 = 19,297.53/x
  3. Step 3: Cross multiply
    75,457.51x = 113,185.86 × 19,297.53
  4. Step 4: Simplify right side
    75,457.51x = 2,184,207,884.26
  5. Step 5: Solve for x
    x = 2,184,207,884.26/75,457.51
  6. Step 6: Final answer
    x = 28,946.19

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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.