Home / 102,089.12-152,977.74-42,892.42

Finding the Fourth Proportional to 102,089.12, 152,977.74 and 42,892.42

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Solution

The fourth proportional to 102,089.12, 152,977.74 and 42,892.42 is: 64,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,089.12 : 152,977.74 = 42,892.42 : x
  2. Step 2: Convert to fraction form
    102,089.12/152,977.74 = 42,892.42/x
  3. Step 3: Cross multiply
    102,089.12x = 152,977.74 × 42,892.42
  4. Step 4: Simplify right side
    102,089.12x = 6,561,585,474.73
  5. Step 5: Solve for x
    x = 6,561,585,474.73/102,089.12
  6. Step 6: Final answer
    x = 64,273.11

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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.