Home / 141,681.44-195,453.06-87,949.28

Finding the Fourth Proportional to 141,681.44, 195,453.06 and 87,949.28

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Solution

The fourth proportional to 141,681.44, 195,453.06 and 87,949.28 is: 121,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,681.44 : 195,453.06 = 87,949.28 : x
  2. Step 2: Convert to fraction form
    141,681.44/195,453.06 = 87,949.28/x
  3. Step 3: Cross multiply
    141,681.44x = 195,453.06 × 87,949.28
  4. Step 4: Simplify right side
    141,681.44x = 17,189,955,900.80
  5. Step 5: Solve for x
    x = 17,189,955,900.80/141,681.44
  6. Step 6: Final answer
    x = 121,328.21

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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.