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Finding the Fourth Proportional to 88,886.34, 133,183.71 and 53,836.02

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Solution

The fourth proportional to 88,886.34, 133,183.71 and 53,836.02 is: 80,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,886.34 : 133,183.71 = 53,836.02 : x
  2. Step 2: Convert to fraction form
    88,886.34/133,183.71 = 53,836.02/x
  3. Step 3: Cross multiply
    88,886.34x = 133,183.71 × 53,836.02
  4. Step 4: Simplify right side
    88,886.34x = 7,170,080,875.23
  5. Step 5: Solve for x
    x = 7,170,080,875.23/88,886.34
  6. Step 6: Final answer
    x = 80,665.72

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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.