Home / 127,396.42-175,778.49-77,094.34

Finding the Fourth Proportional to 127,396.42, 175,778.49 and 77,094.34

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Solution

The fourth proportional to 127,396.42, 175,778.49 and 77,094.34 is: 106,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.42 : 175,778.49 = 77,094.34 : x
  2. Step 2: Convert to fraction form
    127,396.42/175,778.49 = 77,094.34/x
  3. Step 3: Cross multiply
    127,396.42x = 175,778.49 × 77,094.34
  4. Step 4: Simplify right side
    127,396.42x = 13,551,526,672.75
  5. Step 5: Solve for x
    x = 13,551,526,672.75/127,396.42
  6. Step 6: Final answer
    x = 106,372.90

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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.