Home / 286,777.55-429,914.81-109,166.42

Finding the Fourth Proportional to 286,777.55, 429,914.81 and 109,166.42

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Solution

The fourth proportional to 286,777.55, 429,914.81 and 109,166.42 is: 163,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,777.55 : 429,914.81 = 109,166.42 : x
  2. Step 2: Convert to fraction form
    286,777.55/429,914.81 = 109,166.42/x
  3. Step 3: Cross multiply
    286,777.55x = 429,914.81 × 109,166.42
  4. Step 4: Simplify right side
    286,777.55x = 46,932,260,712.68
  5. Step 5: Solve for x
    x = 46,932,260,712.68/286,777.55
  6. Step 6: Final answer
    x = 163,653.89

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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.