Home / 107,711.14-161,566.72-28,823.32

Finding the Fourth Proportional to 107,711.14, 161,566.72 and 28,823.32

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Solution

The fourth proportional to 107,711.14, 161,566.72 and 28,823.32 is: 43,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,711.14 : 161,566.72 = 28,823.32 : x
  2. Step 2: Convert to fraction form
    107,711.14/161,566.72 = 28,823.32/x
  3. Step 3: Cross multiply
    107,711.14x = 161,566.72 × 28,823.32
  4. Step 4: Simplify right side
    107,711.14x = 4,656,889,271.91
  5. Step 5: Solve for x
    x = 4,656,889,271.91/107,711.14
  6. Step 6: Final answer
    x = 43,234.98

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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.