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Finding the Fourth Proportional to 184,428.66, 254,205.63 and 130,644.66

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Solution

The fourth proportional to 184,428.66, 254,205.63 and 130,644.66 is: 180,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,428.66 : 254,205.63 = 130,644.66 : x
  2. Step 2: Convert to fraction form
    184,428.66/254,205.63 = 130,644.66/x
  3. Step 3: Cross multiply
    184,428.66x = 254,205.63 × 130,644.66
  4. Step 4: Simplify right side
    184,428.66x = 33,210,608,101.44
  5. Step 5: Solve for x
    x = 33,210,608,101.44/184,428.66
  6. Step 6: Final answer
    x = 180,072.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.