Home / 109,440.30-164,160.45-30,554.40

Finding the Fourth Proportional to 109,440.30, 164,160.45 and 30,554.40

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Solution

The fourth proportional to 109,440.30, 164,160.45 and 30,554.40 is: 45,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,440.30 : 164,160.45 = 30,554.40 : x
  2. Step 2: Convert to fraction form
    109,440.30/164,160.45 = 30,554.40/x
  3. Step 3: Cross multiply
    109,440.30x = 164,160.45 × 30,554.40
  4. Step 4: Simplify right side
    109,440.30x = 5,015,824,053.48
  5. Step 5: Solve for x
    x = 5,015,824,053.48/109,440.30
  6. Step 6: Final answer
    x = 45,831.60

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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.