Home / 256,811.89-384,967.39-107,095.03

Finding the Fourth Proportional to 256,811.89, 384,967.39 and 107,095.03

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Solution

The fourth proportional to 256,811.89, 384,967.39 and 107,095.03 is: 160,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,811.89 : 384,967.39 = 107,095.03 : x
  2. Step 2: Convert to fraction form
    256,811.89/384,967.39 = 107,095.03/x
  3. Step 3: Cross multiply
    256,811.89x = 384,967.39 × 107,095.03
  4. Step 4: Simplify right side
    256,811.89x = 41,228,094,181.07
  5. Step 5: Solve for x
    x = 41,228,094,181.07/256,811.89
  6. Step 6: Final answer
    x = 160,538.11

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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.