Home / 87,457.36-131,186.04-34,878.64

Finding the Fourth Proportional to 87,457.36, 131,186.04 and 34,878.64

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Solution

The fourth proportional to 87,457.36, 131,186.04 and 34,878.64 is: 52,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,457.36 : 131,186.04 = 34,878.64 : x
  2. Step 2: Convert to fraction form
    87,457.36/131,186.04 = 34,878.64/x
  3. Step 3: Cross multiply
    87,457.36x = 131,186.04 × 34,878.64
  4. Step 4: Simplify right side
    87,457.36x = 4,575,590,662.19
  5. Step 5: Solve for x
    x = 4,575,590,662.19/87,457.36
  6. Step 6: Final answer
    x = 52,317.96

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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.