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Finding the Fourth Proportional to 127,051.80, 174,816.54 and 104,307

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Solution

The fourth proportional to 127,051.80, 174,816.54 and 104,307 is: 143,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,051.80 : 174,816.54 = 104,307 : x
  2. Step 2: Convert to fraction form
    127,051.80/174,816.54 = 104,307/x
  3. Step 3: Cross multiply
    127,051.80x = 174,816.54 × 104,307
  4. Step 4: Simplify right side
    127,051.80x = 18,234,588,837.78
  5. Step 5: Solve for x
    x = 18,234,588,837.78/127,051.80
  6. Step 6: Final answer
    x = 143,520.90

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1.5x scale

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.