Home / 141,371.26-195,090.08-77,707.68

Finding the Fourth Proportional to 141,371.26, 195,090.08 and 77,707.68

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Solution

The fourth proportional to 141,371.26, 195,090.08 and 77,707.68 is: 107,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371.26 : 195,090.08 = 77,707.68 : x
  2. Step 2: Convert to fraction form
    141,371.26/195,090.08 = 77,707.68/x
  3. Step 3: Cross multiply
    141,371.26x = 195,090.08 × 77,707.68
  4. Step 4: Simplify right side
    141,371.26x = 15,159,997,507.81
  5. Step 5: Solve for x
    x = 15,159,997,507.81/141,371.26
  6. Step 6: Final answer
    x = 107,235.36

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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.