Home / 127,539.23-191,226.78-60,977.88

Finding the Fourth Proportional to 127,539.23, 191,226.78 and 60,977.88

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Solution

The fourth proportional to 127,539.23, 191,226.78 and 60,977.88 is: 91,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,539.23 : 191,226.78 = 60,977.88 : x
  2. Step 2: Convert to fraction form
    127,539.23/191,226.78 = 60,977.88/x
  3. Step 3: Cross multiply
    127,539.23x = 191,226.78 × 60,977.88
  4. Step 4: Simplify right side
    127,539.23x = 11,660,603,643.63
  5. Step 5: Solve for x
    x = 11,660,603,643.63/127,539.23
  6. Step 6: Final answer
    x = 91,427.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.