Home / 158,933.12-238,380.79-52,290.63

Finding the Fourth Proportional to 158,933.12, 238,380.79 and 52,290.63

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Solution

The fourth proportional to 158,933.12, 238,380.79 and 52,290.63 is: 78,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,933.12 : 238,380.79 = 52,290.63 : x
  2. Step 2: Convert to fraction form
    158,933.12/238,380.79 = 52,290.63/x
  3. Step 3: Cross multiply
    158,933.12x = 238,380.79 × 52,290.63
  4. Step 4: Simplify right side
    158,933.12x = 12,465,081,689.00
  5. Step 5: Solve for x
    x = 12,465,081,689.00/158,933.12
  6. Step 6: Final answer
    x = 78,429.73

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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.