Home / 170,311.27-255,497.90-57,985.74

Finding the Fourth Proportional to 170,311.27, 255,497.90 and 57,985.74

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Solution

The fourth proportional to 170,311.27, 255,497.90 and 57,985.74 is: 86,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,311.27 : 255,497.90 = 57,985.74 : x
  2. Step 2: Convert to fraction form
    170,311.27/255,497.90 = 57,985.74/x
  3. Step 3: Cross multiply
    170,311.27x = 255,497.90 × 57,985.74
  4. Step 4: Simplify right side
    170,311.27x = 14,815,234,799.95
  5. Step 5: Solve for x
    x = 14,815,234,799.95/170,311.27
  6. Step 6: Final answer
    x = 86,989.16

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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.