Home / 162,780.68-244,222.86-69,313.16

Finding the Fourth Proportional to 162,780.68, 244,222.86 and 69,313.16

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Solution

The fourth proportional to 162,780.68, 244,222.86 and 69,313.16 is: 103,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.68 : 244,222.86 = 69,313.16 : x
  2. Step 2: Convert to fraction form
    162,780.68/244,222.86 = 69,313.16/x
  3. Step 3: Cross multiply
    162,780.68x = 244,222.86 × 69,313.16
  4. Step 4: Simplify right side
    162,780.68x = 16,927,858,170.84
  5. Step 5: Solve for x
    x = 16,927,858,170.84/162,780.68
  6. Step 6: Final answer
    x = 103,991.81

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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.