Home / 179,158.36-268,678.68-79,316.50

Finding the Fourth Proportional to 179,158.36, 268,678.68 and 79,316.50

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Solution

The fourth proportional to 179,158.36, 268,678.68 and 79,316.50 is: 118,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,158.36 : 268,678.68 = 79,316.50 : x
  2. Step 2: Convert to fraction form
    179,158.36/268,678.68 = 79,316.50/x
  3. Step 3: Cross multiply
    179,158.36x = 268,678.68 × 79,316.50
  4. Step 4: Simplify right side
    179,158.36x = 21,310,652,522.22
  5. Step 5: Solve for x
    x = 21,310,652,522.22/179,158.36
  6. Step 6: Final answer
    x = 118,948.69

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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.