Home / 222,779.13-307,435.92-120,804.53

Finding the Fourth Proportional to 222,779.13, 307,435.92 and 120,804.53

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Solution

The fourth proportional to 222,779.13, 307,435.92 and 120,804.53 is: 166,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,779.13 : 307,435.92 = 120,804.53 : x
  2. Step 2: Convert to fraction form
    222,779.13/307,435.92 = 120,804.53/x
  3. Step 3: Cross multiply
    222,779.13x = 307,435.92 × 120,804.53
  4. Step 4: Simplify right side
    222,779.13x = 37,139,650,283.54
  5. Step 5: Solve for x
    x = 37,139,650,283.54/222,779.13
  6. Step 6: Final answer
    x = 166,710.64

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1.5x scale

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.