Home / 213,932.04-320,878.87-64,205.76

Finding the Fourth Proportional to 213,932.04, 320,878.87 and 64,205.76

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Solution

The fourth proportional to 213,932.04, 320,878.87 and 64,205.76 is: 96,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,932.04 : 320,878.87 = 64,205.76 : x
  2. Step 2: Convert to fraction form
    213,932.04/320,878.87 = 64,205.76/x
  3. Step 3: Cross multiply
    213,932.04x = 320,878.87 × 64,205.76
  4. Step 4: Simplify right side
    213,932.04x = 20,602,272,759.07
  5. Step 5: Solve for x
    x = 20,602,272,759.07/213,932.04
  6. Step 6: Final answer
    x = 96,302.89

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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.