Home / 152,878.40-210,983.52-92,451.36

Finding the Fourth Proportional to 152,878.40, 210,983.52 and 92,451.36

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Solution

The fourth proportional to 152,878.40, 210,983.52 and 92,451.36 is: 127,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,878.40 : 210,983.52 = 92,451.36 : x
  2. Step 2: Convert to fraction form
    152,878.40/210,983.52 = 92,451.36/x
  3. Step 3: Cross multiply
    152,878.40x = 210,983.52 × 92,451.36
  4. Step 4: Simplify right side
    152,878.40x = 19,505,713,361.59
  5. Step 5: Solve for x
    x = 19,505,713,361.59/152,878.40
  6. Step 6: Final answer
    x = 127,589.73

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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.