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Finding the Fourth Proportional to 127,365.60, 175,710 and 79,535.92

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Solution

The fourth proportional to 127,365.60, 175,710 and 79,535.92 is: 109,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,365.60 : 175,710 = 79,535.92 : x
  2. Step 2: Convert to fraction form
    127,365.60/175,710 = 79,535.92/x
  3. Step 3: Cross multiply
    127,365.60x = 175,710 × 79,535.92
  4. Step 4: Simplify right side
    127,365.60x = 13,975,256,503.20
  5. Step 5: Solve for x
    x = 13,975,256,503.20/127,365.60
  6. Step 6: Final answer
    x = 109,725.52

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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.