Home / 133,159.70-183,764.41-72,733.60

Finding the Fourth Proportional to 133,159.70, 183,764.41 and 72,733.60

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Solution

The fourth proportional to 133,159.70, 183,764.41 and 72,733.60 is: 100,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,159.70 : 183,764.41 = 72,733.60 : x
  2. Step 2: Convert to fraction form
    133,159.70/183,764.41 = 72,733.60/x
  3. Step 3: Cross multiply
    133,159.70x = 183,764.41 × 72,733.60
  4. Step 4: Simplify right side
    133,159.70x = 13,365,847,091.18
  5. Step 5: Solve for x
    x = 13,365,847,091.18/133,159.70
  6. Step 6: Final answer
    x = 100,374.57

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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.