Home / 109,764.16-164,533.23-43,177.30

Finding the Fourth Proportional to 109,764.16, 164,533.23 and 43,177.30

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Solution

The fourth proportional to 109,764.16, 164,533.23 and 43,177.30 is: 64,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.16 : 164,533.23 = 43,177.30 : x
  2. Step 2: Convert to fraction form
    109,764.16/164,533.23 = 43,177.30/x
  3. Step 3: Cross multiply
    109,764.16x = 164,533.23 × 43,177.30
  4. Step 4: Simplify right side
    109,764.16x = 7,104,100,631.68
  5. Step 5: Solve for x
    x = 7,104,100,631.68/109,764.16
  6. Step 6: Final answer
    x = 64,721.50

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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.