Home / 154,518.62-231,875.43-65,771.98

Finding the Fourth Proportional to 154,518.62, 231,875.43 and 65,771.98

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Solution

The fourth proportional to 154,518.62, 231,875.43 and 65,771.98 is: 98,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,518.62 : 231,875.43 = 65,771.98 : x
  2. Step 2: Convert to fraction form
    154,518.62/231,875.43 = 65,771.98/x
  3. Step 3: Cross multiply
    154,518.62x = 231,875.43 × 65,771.98
  4. Step 4: Simplify right side
    154,518.62x = 15,250,905,318.12
  5. Step 5: Solve for x
    x = 15,250,905,318.12/154,518.62
  6. Step 6: Final answer
    x = 98,699.47

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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.