Home / 178,582.05-268,002.54-66,278.25

Finding the Fourth Proportional to 178,582.05, 268,002.54 and 66,278.25

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Solution

The fourth proportional to 178,582.05, 268,002.54 and 66,278.25 is: 99,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,582.05 : 268,002.54 = 66,278.25 : x
  2. Step 2: Convert to fraction form
    178,582.05/268,002.54 = 66,278.25/x
  3. Step 3: Cross multiply
    178,582.05x = 268,002.54 × 66,278.25
  4. Step 4: Simplify right side
    178,582.05x = 17,762,739,346.76
  5. Step 5: Solve for x
    x = 17,762,739,346.76/178,582.05
  6. Step 6: Final answer
    x = 99,465.42

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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.