Home / 109,951.20-164,926.80-97,485.30

Finding the Fourth Proportional to 109,951.20, 164,926.80 and 97,485.30

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Solution

The fourth proportional to 109,951.20, 164,926.80 and 97,485.30 is: 146,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,951.20 : 164,926.80 = 97,485.30 : x
  2. Step 2: Convert to fraction form
    109,951.20/164,926.80 = 97,485.30/x
  3. Step 3: Cross multiply
    109,951.20x = 164,926.80 × 97,485.30
  4. Step 4: Simplify right side
    109,951.20x = 16,077,938,576.04
  5. Step 5: Solve for x
    x = 16,077,938,576.04/109,951.20
  6. Step 6: Final answer
    x = 146,227.95

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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.