Home / 216,113.07-323,947.90-82,957.47

Finding the Fourth Proportional to 216,113.07, 323,947.90 and 82,957.47

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Solution

The fourth proportional to 216,113.07, 323,947.90 and 82,957.47 is: 124,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,113.07 : 323,947.90 = 82,957.47 : x
  2. Step 2: Convert to fraction form
    216,113.07/323,947.90 = 82,957.47/x
  3. Step 3: Cross multiply
    216,113.07x = 323,947.90 × 82,957.47
  4. Step 4: Simplify right side
    216,113.07x = 26,873,896,368.68
  5. Step 5: Solve for x
    x = 26,873,896,368.68/216,113.07
  6. Step 6: Final answer
    x = 124,351.10

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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.