Home / 154,631.12-231,991.63-64,716.26

Finding the Fourth Proportional to 154,631.12, 231,991.63 and 64,716.26

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Solution

The fourth proportional to 154,631.12, 231,991.63 and 64,716.26 is: 97,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,631.12 : 231,991.63 = 64,716.26 : x
  2. Step 2: Convert to fraction form
    154,631.12/231,991.63 = 64,716.26/x
  3. Step 3: Cross multiply
    154,631.12x = 231,991.63 × 64,716.26
  4. Step 4: Simplify right side
    154,631.12x = 15,013,630,644.90
  5. Step 5: Solve for x
    x = 15,013,630,644.90/154,631.12
  6. Step 6: Final answer
    x = 97,093.20

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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.