Home / 214,669.96-322,118.34-155,990.68

Finding the Fourth Proportional to 214,669.96, 322,118.34 and 155,990.68

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Solution

The fourth proportional to 214,669.96, 322,118.34 and 155,990.68 is: 234,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,669.96 : 322,118.34 = 155,990.68 : x
  2. Step 2: Convert to fraction form
    214,669.96/322,118.34 = 155,990.68/x
  3. Step 3: Cross multiply
    214,669.96x = 322,118.34 × 155,990.68
  4. Step 4: Simplify right side
    214,669.96x = 50,247,458,897.07
  5. Step 5: Solve for x
    x = 50,247,458,897.07/214,669.96
  6. Step 6: Final answer
    x = 234,068.42

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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.