Home / 109,868.56-164,809.40-30,989.52

Finding the Fourth Proportional to 109,868.56, 164,809.40 and 30,989.52

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Solution

The fourth proportional to 109,868.56, 164,809.40 and 30,989.52 is: 46,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.56 : 164,809.40 = 30,989.52 : x
  2. Step 2: Convert to fraction form
    109,868.56/164,809.40 = 30,989.52/x
  3. Step 3: Cross multiply
    109,868.56x = 164,809.40 × 30,989.52
  4. Step 4: Simplify right side
    109,868.56x = 5,107,364,197.49
  5. Step 5: Solve for x
    x = 5,107,364,197.49/109,868.56
  6. Step 6: Final answer
    x = 46,486.13

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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.