Home / 134,398.70-185,466.79-73,142.28

Finding the Fourth Proportional to 134,398.70, 185,466.79 and 73,142.28

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Solution

The fourth proportional to 134,398.70, 185,466.79 and 73,142.28 is: 100,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,398.70 : 185,466.79 = 73,142.28 : x
  2. Step 2: Convert to fraction form
    134,398.70/185,466.79 = 73,142.28/x
  3. Step 3: Cross multiply
    134,398.70x = 185,466.79 × 73,142.28
  4. Step 4: Simplify right side
    134,398.70x = 13,565,463,884.88
  5. Step 5: Solve for x
    x = 13,565,463,884.88/134,398.70
  6. Step 6: Final answer
    x = 100,934.49

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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.