Home / 133,327.52-183,992.00-72,898.21

Finding the Fourth Proportional to 133,327.52, 183,992.00 and 72,898.21

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Solution

The fourth proportional to 133,327.52, 183,992.00 and 72,898.21 is: 100,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,327.52 : 183,992.00 = 72,898.21 : x
  2. Step 2: Convert to fraction form
    133,327.52/183,992.00 = 72,898.21/x
  3. Step 3: Cross multiply
    133,327.52x = 183,992.00 × 72,898.21
  4. Step 4: Simplify right side
    133,327.52x = 13,412,686,284.86
  5. Step 5: Solve for x
    x = 13,412,686,284.86/133,327.52
  6. Step 6: Final answer
    x = 100,599.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.