Home / 170,749.89-235,415.79-140,009.73

Finding the Fourth Proportional to 170,749.89, 235,415.79 and 140,009.73

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Solution

The fourth proportional to 170,749.89, 235,415.79 and 140,009.73 is: 193,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,749.89 : 235,415.79 = 140,009.73 : x
  2. Step 2: Convert to fraction form
    170,749.89/235,415.79 = 140,009.73/x
  3. Step 3: Cross multiply
    170,749.89x = 235,415.79 × 140,009.73
  4. Step 4: Simplify right side
    170,749.89x = 32,960,501,195.64
  5. Step 5: Solve for x
    x = 32,960,501,195.64/170,749.89
  6. Step 6: Final answer
    x = 193,033.81

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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.