Home / 109,913.20-164,837.40-43,331.20

Finding the Fourth Proportional to 109,913.20, 164,837.40 and 43,331.20

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Solution

The fourth proportional to 109,913.20, 164,837.40 and 43,331.20 is: 64,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,913.20 : 164,837.40 = 43,331.20 : x
  2. Step 2: Convert to fraction form
    109,913.20/164,837.40 = 43,331.20/x
  3. Step 3: Cross multiply
    109,913.20x = 164,837.40 × 43,331.20
  4. Step 4: Simplify right side
    109,913.20x = 7,142,602,346.88
  5. Step 5: Solve for x
    x = 7,142,602,346.88/109,913.20
  6. Step 6: Final answer
    x = 64,984.03

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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.