Home / 141,837.48-195,735.69-78,175.26

Finding the Fourth Proportional to 141,837.48, 195,735.69 and 78,175.26

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Solution

The fourth proportional to 141,837.48, 195,735.69 and 78,175.26 is: 107,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,837.48 : 195,735.69 = 78,175.26 : x
  2. Step 2: Convert to fraction form
    141,837.48/195,735.69 = 78,175.26/x
  3. Step 3: Cross multiply
    141,837.48x = 195,735.69 × 78,175.26
  4. Step 4: Simplify right side
    141,837.48x = 15,301,688,457.03
  5. Step 5: Solve for x
    x = 15,301,688,457.03/141,837.48
  6. Step 6: Final answer
    x = 107,881.84

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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.