Home / 133,091.04-183,662.78-72,658.74

Finding the Fourth Proportional to 133,091.04, 183,662.78 and 72,658.74

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Solution

The fourth proportional to 133,091.04, 183,662.78 and 72,658.74 is: 100,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.04 : 183,662.78 = 72,658.74 : x
  2. Step 2: Convert to fraction form
    133,091.04/183,662.78 = 72,658.74/x
  3. Step 3: Cross multiply
    133,091.04x = 183,662.78 × 72,658.74
  4. Step 4: Simplify right side
    133,091.04x = 13,344,706,179.70
  5. Step 5: Solve for x
    x = 13,344,706,179.70/133,091.04
  6. Step 6: Final answer
    x = 100,267.50

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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.