Home / 216,120.02-323,955.25-89,829

Finding the Fourth Proportional to 216,120.02, 323,955.25 and 89,829

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Solution

The fourth proportional to 216,120.02, 323,955.25 and 89,829 is: 134,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,120.02 : 323,955.25 = 89,829 : x
  2. Step 2: Convert to fraction form
    216,120.02/323,955.25 = 89,829/x
  3. Step 3: Cross multiply
    216,120.02x = 323,955.25 × 89,829
  4. Step 4: Simplify right side
    216,120.02x = 29,100,575,927.68
  5. Step 5: Solve for x
    x = 29,100,575,927.68/216,120.02
  6. Step 6: Final answer
    x = 134,650.07

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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.