Home / 109,928.70-164,893.05-56,784.60

Finding the Fourth Proportional to 109,928.70, 164,893.05 and 56,784.60

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Solution

The fourth proportional to 109,928.70, 164,893.05 and 56,784.60 is: 85,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,928.70 : 164,893.05 = 56,784.60 : x
  2. Step 2: Convert to fraction form
    109,928.70/164,893.05 = 56,784.60/x
  3. Step 3: Cross multiply
    109,928.70x = 164,893.05 × 56,784.60
  4. Step 4: Simplify right side
    109,928.70x = 9,363,385,887.03
  5. Step 5: Solve for x
    x = 9,363,385,887.03/109,928.70
  6. Step 6: Final answer
    x = 85,176.90

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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.