Home / 109,905.60-164,913.08-43,347.90

Finding the Fourth Proportional to 109,905.60, 164,913.08 and 43,347.90

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Solution

The fourth proportional to 109,905.60, 164,913.08 and 43,347.90 is: 65,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.60 : 164,913.08 = 43,347.90 : x
  2. Step 2: Convert to fraction form
    109,905.60/164,913.08 = 43,347.90/x
  3. Step 3: Cross multiply
    109,905.60x = 164,913.08 × 43,347.90
  4. Step 4: Simplify right side
    109,905.60x = 7,148,635,483.79
  5. Step 5: Solve for x
    x = 7,148,635,483.79/109,905.60
  6. Step 6: Final answer
    x = 65,043.41

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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.