Home / 151,769.36-209,459.43-126,230.66

Finding the Fourth Proportional to 151,769.36, 209,459.43 and 126,230.66

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Solution

The fourth proportional to 151,769.36, 209,459.43 and 126,230.66 is: 174,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,769.36 : 209,459.43 = 126,230.66 : x
  2. Step 2: Convert to fraction form
    151,769.36/209,459.43 = 126,230.66/x
  3. Step 3: Cross multiply
    151,769.36x = 209,459.43 × 126,230.66
  4. Step 4: Simplify right side
    151,769.36x = 26,440,203,008.51
  5. Step 5: Solve for x
    x = 26,440,203,008.51/151,769.36
  6. Step 6: Final answer
    x = 174,213.05

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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.