Home / 109,823.56-164,712.85-30,938.47

Finding the Fourth Proportional to 109,823.56, 164,712.85 and 30,938.47

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Solution

The fourth proportional to 109,823.56, 164,712.85 and 30,938.47 is: 46,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,823.56 : 164,712.85 = 30,938.47 : x
  2. Step 2: Convert to fraction form
    109,823.56/164,712.85 = 30,938.47/x
  3. Step 3: Cross multiply
    109,823.56x = 164,712.85 × 30,938.47
  4. Step 4: Simplify right side
    109,823.56x = 5,095,963,568.34
  5. Step 5: Solve for x
    x = 5,095,963,568.34/109,823.56
  6. Step 6: Final answer
    x = 46,401.37

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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.