Home / 141,116.36-194,742.96-77,460.08

Finding the Fourth Proportional to 141,116.36, 194,742.96 and 77,460.08

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Solution

The fourth proportional to 141,116.36, 194,742.96 and 77,460.08 is: 106,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,116.36 : 194,742.96 = 77,460.08 : x
  2. Step 2: Convert to fraction form
    141,116.36/194,742.96 = 77,460.08/x
  3. Step 3: Cross multiply
    141,116.36x = 194,742.96 × 77,460.08
  4. Step 4: Simplify right side
    141,116.36x = 15,084,805,261.04
  5. Step 5: Solve for x
    x = 15,084,805,261.04/141,116.36
  6. Step 6: Final answer
    x = 106,896.22

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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.