Home / 127,125.35-175,366.75-75,412.37

Finding the Fourth Proportional to 127,125.35, 175,366.75 and 75,412.37

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Solution

The fourth proportional to 127,125.35, 175,366.75 and 75,412.37 is: 104,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,125.35 : 175,366.75 = 75,412.37 : x
  2. Step 2: Convert to fraction form
    127,125.35/175,366.75 = 75,412.37/x
  3. Step 3: Cross multiply
    127,125.35x = 175,366.75 × 75,412.37
  4. Step 4: Simplify right side
    127,125.35x = 13,224,822,236.70
  5. Step 5: Solve for x
    x = 13,224,822,236.70/127,125.35
  6. Step 6: Final answer
    x = 104,029.78

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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.