Home / 133,004.90-183,551.18-72,578.86

Finding the Fourth Proportional to 133,004.90, 183,551.18 and 72,578.86

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Solution

The fourth proportional to 133,004.90, 183,551.18 and 72,578.86 is: 100,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,004.90 : 183,551.18 = 72,578.86 : x
  2. Step 2: Convert to fraction form
    133,004.90/183,551.18 = 72,578.86/x
  3. Step 3: Cross multiply
    133,004.90x = 183,551.18 × 72,578.86
  4. Step 4: Simplify right side
    133,004.90x = 13,321,935,118.62
  5. Step 5: Solve for x
    x = 13,321,935,118.62/133,004.90
  6. Step 6: Final answer
    x = 100,161.24

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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.