Home / 212,685.08-319,056.78-94,353.80

Finding the Fourth Proportional to 212,685.08, 319,056.78 and 94,353.80

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Solution

The fourth proportional to 212,685.08, 319,056.78 and 94,353.80 is: 141,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,685.08 : 319,056.78 = 94,353.80 : x
  2. Step 2: Convert to fraction form
    212,685.08/319,056.78 = 94,353.80/x
  3. Step 3: Cross multiply
    212,685.08x = 319,056.78 × 94,353.80
  4. Step 4: Simplify right side
    212,685.08x = 30,104,219,608.76
  5. Step 5: Solve for x
    x = 30,104,219,608.76/212,685.08
  6. Step 6: Final answer
    x = 141,543.64

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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.