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Finding the Fourth Proportional to 127,130.01, 175,473.45 and 79,354.59

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Solution

The fourth proportional to 127,130.01, 175,473.45 and 79,354.59 is: 109,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.01 : 175,473.45 = 79,354.59 : x
  2. Step 2: Convert to fraction form
    127,130.01/175,473.45 = 79,354.59/x
  3. Step 3: Cross multiply
    127,130.01x = 175,473.45 × 79,354.59
  4. Step 4: Simplify right side
    127,130.01x = 13,924,623,680.64
  5. Step 5: Solve for x
    x = 13,924,623,680.64/127,130.01
  6. Step 6: Final answer
    x = 109,530.58

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