Home / 239,119.20-358,511.04-105,927.12

Finding the Fourth Proportional to 239,119.20, 358,511.04 and 105,927.12

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Solution

The fourth proportional to 239,119.20, 358,511.04 and 105,927.12 is: 158,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,119.20 : 358,511.04 = 105,927.12 : x
  2. Step 2: Convert to fraction form
    239,119.20/358,511.04 = 105,927.12/x
  3. Step 3: Cross multiply
    239,119.20x = 358,511.04 × 105,927.12
  4. Step 4: Simplify right side
    239,119.20x = 37,976,041,955.40
  5. Step 5: Solve for x
    x = 37,976,041,955.40/239,119.20
  6. Step 6: Final answer
    x = 158,816.36

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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.