Home / 152,339.88-210,115.74-98,583.42

Finding the Fourth Proportional to 152,339.88, 210,115.74 and 98,583.42

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Solution

The fourth proportional to 152,339.88, 210,115.74 and 98,583.42 is: 135,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,339.88 : 210,115.74 = 98,583.42 : x
  2. Step 2: Convert to fraction form
    152,339.88/210,115.74 = 98,583.42/x
  3. Step 3: Cross multiply
    152,339.88x = 210,115.74 × 98,583.42
  4. Step 4: Simplify right side
    152,339.88x = 20,713,928,245.03
  5. Step 5: Solve for x
    x = 20,713,928,245.03/152,339.88
  6. Step 6: Final answer
    x = 135,971.80

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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.