Home / 134,693.58-185,835.93-78,093.66

Finding the Fourth Proportional to 134,693.58, 185,835.93 and 78,093.66

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Solution

The fourth proportional to 134,693.58, 185,835.93 and 78,093.66 is: 107,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,693.58 : 185,835.93 = 78,093.66 : x
  2. Step 2: Convert to fraction form
    134,693.58/185,835.93 = 78,093.66/x
  3. Step 3: Cross multiply
    134,693.58x = 185,835.93 × 78,093.66
  4. Step 4: Simplify right side
    134,693.58x = 14,512,607,933.20
  5. Step 5: Solve for x
    x = 14,512,607,933.20/134,693.58
  6. Step 6: Final answer
    x = 107,745.36

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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.