Home / 109,422.40-164,133.60-89,982.40

Finding the Fourth Proportional to 109,422.40, 164,133.60 and 89,982.40

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Solution

The fourth proportional to 109,422.40, 164,133.60 and 89,982.40 is: 134,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,422.40 : 164,133.60 = 89,982.40 : x
  2. Step 2: Convert to fraction form
    109,422.40/164,133.60 = 89,982.40/x
  3. Step 3: Cross multiply
    109,422.40x = 164,133.60 × 89,982.40
  4. Step 4: Simplify right side
    109,422.40x = 14,769,135,248.64
  5. Step 5: Solve for x
    x = 14,769,135,248.64/109,422.40
  6. Step 6: Final answer
    x = 134,973.60

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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.