Home / 170,309.79-235,027.58-98,731.31

Finding the Fourth Proportional to 170,309.79, 235,027.58 and 98,731.31

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Solution

The fourth proportional to 170,309.79, 235,027.58 and 98,731.31 is: 136,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,309.79 : 235,027.58 = 98,731.31 : x
  2. Step 2: Convert to fraction form
    170,309.79/235,027.58 = 98,731.31/x
  3. Step 3: Cross multiply
    170,309.79x = 235,027.58 × 98,731.31
  4. Step 4: Simplify right side
    170,309.79x = 23,204,579,190.74
  5. Step 5: Solve for x
    x = 23,204,579,190.74/170,309.79
  6. Step 6: Final answer
    x = 136,249.24

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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.