Home / 215,825.58-323,726.82-66,065.94

Finding the Fourth Proportional to 215,825.58, 323,726.82 and 66,065.94

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Solution

The fourth proportional to 215,825.58, 323,726.82 and 66,065.94 is: 99,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,825.58 : 323,726.82 = 66,065.94 : x
  2. Step 2: Convert to fraction form
    215,825.58/323,726.82 = 66,065.94/x
  3. Step 3: Cross multiply
    215,825.58x = 323,726.82 × 66,065.94
  4. Step 4: Simplify right side
    215,825.58x = 21,387,316,666.51
  5. Step 5: Solve for x
    x = 21,387,316,666.51/215,825.58
  6. Step 6: Final answer
    x = 99,095.37

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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.