Home / 213,048.27-319,572-124,239.50

Finding the Fourth Proportional to 213,048.27, 319,572 and 124,239.50

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Solution

The fourth proportional to 213,048.27, 319,572 and 124,239.50 is: 186,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048.27 : 319,572 = 124,239.50 : x
  2. Step 2: Convert to fraction form
    213,048.27/319,572 = 124,239.50/x
  3. Step 3: Cross multiply
    213,048.27x = 319,572 × 124,239.50
  4. Step 4: Simplify right side
    213,048.27x = 39,703,465,494
  5. Step 5: Solve for x
    x = 39,703,465,494/213,048.27
  6. Step 6: Final answer
    x = 186,359.01

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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.