Home / 78,254.58-117,339.37-35,536.56

Finding the Fourth Proportional to 78,254.58, 117,339.37 and 35,536.56

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Solution

The fourth proportional to 78,254.58, 117,339.37 and 35,536.56 is: 53,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,254.58 : 117,339.37 = 35,536.56 : x
  2. Step 2: Convert to fraction form
    78,254.58/117,339.37 = 35,536.56/x
  3. Step 3: Cross multiply
    78,254.58x = 117,339.37 × 35,536.56
  4. Step 4: Simplify right side
    78,254.58x = 4,169,837,562.37
  5. Step 5: Solve for x
    x = 4,169,837,562.37/78,254.58
  6. Step 6: Final answer
    x = 53,285.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.