Home / 120,550.16-180,804.60-31,804.58

Finding the Fourth Proportional to 120,550.16, 180,804.60 and 31,804.58

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Solution

The fourth proportional to 120,550.16, 180,804.60 and 31,804.58 is: 47,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.16 : 180,804.60 = 31,804.58 : x
  2. Step 2: Convert to fraction form
    120,550.16/180,804.60 = 31,804.58/x
  3. Step 3: Cross multiply
    120,550.16x = 180,804.60 × 31,804.58
  4. Step 4: Simplify right side
    120,550.16x = 5,750,414,365.07
  5. Step 5: Solve for x
    x = 5,750,414,365.07/120,550.16
  6. Step 6: Final answer
    x = 47,701.42

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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.