Home / 171,986.88-257,981.76-47,334.72

Finding the Fourth Proportional to 171,986.88, 257,981.76 and 47,334.72

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Solution

The fourth proportional to 171,986.88, 257,981.76 and 47,334.72 is: 71,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,986.88 : 257,981.76 = 47,334.72 : x
  2. Step 2: Convert to fraction form
    171,986.88/257,981.76 = 47,334.72/x
  3. Step 3: Cross multiply
    171,986.88x = 257,981.76 × 47,334.72
  4. Step 4: Simplify right side
    171,986.88x = 12,211,494,374.71
  5. Step 5: Solve for x
    x = 12,211,494,374.71/171,986.88
  6. Step 6: Final answer
    x = 71,002.48

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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.