Home / 134,543.03-185,664.15-80,857.58

Finding the Fourth Proportional to 134,543.03, 185,664.15 and 80,857.58

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Solution

The fourth proportional to 134,543.03, 185,664.15 and 80,857.58 is: 111,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,543.03 : 185,664.15 = 80,857.58 : x
  2. Step 2: Convert to fraction form
    134,543.03/185,664.15 = 80,857.58/x
  3. Step 3: Cross multiply
    134,543.03x = 185,664.15 × 80,857.58
  4. Step 4: Simplify right side
    134,543.03x = 15,012,352,933.44
  5. Step 5: Solve for x
    x = 15,012,352,933.44/134,543.03
  6. Step 6: Final answer
    x = 111,580.31

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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.