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Finding the Fourth Proportional to 179,652.51, 269,492.49 and 104,780.16

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Solution

The fourth proportional to 179,652.51, 269,492.49 and 104,780.16 is: 157,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,652.51 : 269,492.49 = 104,780.16 : x
  2. Step 2: Convert to fraction form
    179,652.51/269,492.49 = 104,780.16/x
  3. Step 3: Cross multiply
    179,652.51x = 269,492.49 × 104,780.16
  4. Step 4: Simplify right side
    179,652.51x = 28,237,466,221.00
  5. Step 5: Solve for x
    x = 28,237,466,221.00/179,652.51
  6. Step 6: Final answer
    x = 157,178.24

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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.