Home / 154,680.23-231,561.08-84,346.31

Finding the Fourth Proportional to 154,680.23, 231,561.08 and 84,346.31

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Solution

The fourth proportional to 154,680.23, 231,561.08 and 84,346.31 is: 126,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,680.23 : 231,561.08 = 84,346.31 : x
  2. Step 2: Convert to fraction form
    154,680.23/231,561.08 = 84,346.31/x
  3. Step 3: Cross multiply
    154,680.23x = 231,561.08 × 84,346.31
  4. Step 4: Simplify right side
    154,680.23x = 19,531,323,111.08
  5. Step 5: Solve for x
    x = 19,531,323,111.08/154,680.23
  6. Step 6: Final answer
    x = 126,269.03

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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.