Home / 161,320.56-241,801.44-121,749.36

Finding the Fourth Proportional to 161,320.56, 241,801.44 and 121,749.36

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Solution

The fourth proportional to 161,320.56, 241,801.44 and 121,749.36 is: 182,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320.56 : 241,801.44 = 121,749.36 : x
  2. Step 2: Convert to fraction form
    161,320.56/241,801.44 = 121,749.36/x
  3. Step 3: Cross multiply
    161,320.56x = 241,801.44 × 121,749.36
  4. Step 4: Simplify right side
    161,320.56x = 29,439,170,567.08
  5. Step 5: Solve for x
    x = 29,439,170,567.08/161,320.56
  6. Step 6: Final answer
    x = 182,488.65

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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.