Home / 152,769.36-229,321.60-121,381.12

Finding the Fourth Proportional to 152,769.36, 229,321.60 and 121,381.12

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Solution

The fourth proportional to 152,769.36, 229,321.60 and 121,381.12 is: 182,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,769.36 : 229,321.60 = 121,381.12 : x
  2. Step 2: Convert to fraction form
    152,769.36/229,321.60 = 121,381.12/x
  3. Step 3: Cross multiply
    152,769.36x = 229,321.60 × 121,381.12
  4. Step 4: Simplify right side
    152,769.36x = 27,835,312,648.19
  5. Step 5: Solve for x
    x = 27,835,312,648.19/152,769.36
  6. Step 6: Final answer
    x = 182,204.81

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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.