Home / 158,811.85-238,238.49-83,934.88

Finding the Fourth Proportional to 158,811.85, 238,238.49 and 83,934.88

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Solution

The fourth proportional to 158,811.85, 238,238.49 and 83,934.88 is: 125,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,811.85 : 238,238.49 = 83,934.88 : x
  2. Step 2: Convert to fraction form
    158,811.85/238,238.49 = 83,934.88/x
  3. Step 3: Cross multiply
    158,811.85x = 238,238.49 × 83,934.88
  4. Step 4: Simplify right side
    158,811.85x = 19,996,519,069.53
  5. Step 5: Solve for x
    x = 19,996,519,069.53/158,811.85
  6. Step 6: Final answer
    x = 125,913.27

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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.