Home / 113,877.84-170,823-47,324.64

Finding the Fourth Proportional to 113,877.84, 170,823 and 47,324.64

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Solution

The fourth proportional to 113,877.84, 170,823 and 47,324.64 is: 70,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.84 : 170,823 = 47,324.64 : x
  2. Step 2: Convert to fraction form
    113,877.84/170,823 = 47,324.64/x
  3. Step 3: Cross multiply
    113,877.84x = 170,823 × 47,324.64
  4. Step 4: Simplify right side
    113,877.84x = 8,084,136,978.72
  5. Step 5: Solve for x
    x = 8,084,136,978.72/113,877.84
  6. Step 6: Final answer
    x = 70,989.55

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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.