Home / 154,054.40-231,081.60-101,523.20

Finding the Fourth Proportional to 154,054.40, 231,081.60 and 101,523.20

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Solution

The fourth proportional to 154,054.40, 231,081.60 and 101,523.20 is: 152,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,054.40 : 231,081.60 = 101,523.20 : x
  2. Step 2: Convert to fraction form
    154,054.40/231,081.60 = 101,523.20/x
  3. Step 3: Cross multiply
    154,054.40x = 231,081.60 × 101,523.20
  4. Step 4: Simplify right side
    154,054.40x = 23,460,143,493.12
  5. Step 5: Solve for x
    x = 23,460,143,493.12/154,054.40
  6. Step 6: Final answer
    x = 152,284.80

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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.