Home / 109,748.08-164,450.40-84,849.49

Finding the Fourth Proportional to 109,748.08, 164,450.40 and 84,849.49

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Solution

The fourth proportional to 109,748.08, 164,450.40 and 84,849.49 is: 127,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748.08 : 164,450.40 = 84,849.49 : x
  2. Step 2: Convert to fraction form
    109,748.08/164,450.40 = 84,849.49/x
  3. Step 3: Cross multiply
    109,748.08x = 164,450.40 × 84,849.49
  4. Step 4: Simplify right side
    109,748.08x = 13,953,532,570.30
  5. Step 5: Solve for x
    x = 13,953,532,570.30/109,748.08
  6. Step 6: Final answer
    x = 127,141.47

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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.