Home / 235,505.36-324,994.34-128,073.10

Finding the Fourth Proportional to 235,505.36, 324,994.34 and 128,073.10

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Solution

The fourth proportional to 235,505.36, 324,994.34 and 128,073.10 is: 176,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,505.36 : 324,994.34 = 128,073.10 : x
  2. Step 2: Convert to fraction form
    235,505.36/324,994.34 = 128,073.10/x
  3. Step 3: Cross multiply
    235,505.36x = 324,994.34 × 128,073.10
  4. Step 4: Simplify right side
    235,505.36x = 41,623,032,606.25
  5. Step 5: Solve for x
    x = 41,623,032,606.25/235,505.36
  6. Step 6: Final answer
    x = 176,739.22

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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.