Home / 319,181.22-478,608.66-105,872.13

Finding the Fourth Proportional to 319,181.22, 478,608.66 and 105,872.13

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Solution

The fourth proportional to 319,181.22, 478,608.66 and 105,872.13 is: 158,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,181.22 : 478,608.66 = 105,872.13 : x
  2. Step 2: Convert to fraction form
    319,181.22/478,608.66 = 105,872.13/x
  3. Step 3: Cross multiply
    319,181.22x = 478,608.66 × 105,872.13
  4. Step 4: Simplify right side
    319,181.22x = 50,671,318,270.65
  5. Step 5: Solve for x
    x = 50,671,318,270.65/319,181.22
  6. Step 6: Final answer
    x = 158,754.07

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1.5x scale

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.