Home / 216,127.02-324,206.09-83,007.28

Finding the Fourth Proportional to 216,127.02, 324,206.09 and 83,007.28

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Solution

The fourth proportional to 216,127.02, 324,206.09 and 83,007.28 is: 124,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,127.02 : 324,206.09 = 83,007.28 : x
  2. Step 2: Convert to fraction form
    216,127.02/324,206.09 = 83,007.28/x
  3. Step 3: Cross multiply
    216,127.02x = 324,206.09 × 83,007.28
  4. Step 4: Simplify right side
    216,127.02x = 26,911,466,458.75
  5. Step 5: Solve for x
    x = 26,911,466,458.75/216,127.02
  6. Step 6: Final answer
    x = 124,516.90

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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.