Home / 109,948.20-164,727.90-97,506.60

Finding the Fourth Proportional to 109,948.20, 164,727.90 and 97,506.60

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Solution

The fourth proportional to 109,948.20, 164,727.90 and 97,506.60 is: 146,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.20 : 164,727.90 = 97,506.60 : x
  2. Step 2: Convert to fraction form
    109,948.20/164,727.90 = 97,506.60/x
  3. Step 3: Cross multiply
    109,948.20x = 164,727.90 × 97,506.60
  4. Step 4: Simplify right side
    109,948.20x = 16,062,057,454.14
  5. Step 5: Solve for x
    x = 16,062,057,454.14/109,948.20
  6. Step 6: Final answer
    x = 146,087.50

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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.