Home / 109,407.28-164,120.10-30,522.46

Finding the Fourth Proportional to 109,407.28, 164,120.10 and 30,522.46

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Solution

The fourth proportional to 109,407.28, 164,120.10 and 30,522.46 is: 45,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,407.28 : 164,120.10 = 30,522.46 : x
  2. Step 2: Convert to fraction form
    109,407.28/164,120.10 = 30,522.46/x
  3. Step 3: Cross multiply
    109,407.28x = 164,120.10 × 30,522.46
  4. Step 4: Simplify right side
    109,407.28x = 5,009,349,187.45
  5. Step 5: Solve for x
    x = 5,009,349,187.45/109,407.28
  6. Step 6: Final answer
    x = 45,786.25

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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.