Home / 133,161.77-183,762.30-72,732.43

Finding the Fourth Proportional to 133,161.77, 183,762.30 and 72,732.43

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Solution

The fourth proportional to 133,161.77, 183,762.30 and 72,732.43 is: 100,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,161.77 : 183,762.30 = 72,732.43 : x
  2. Step 2: Convert to fraction form
    133,161.77/183,762.30 = 72,732.43/x
  3. Step 3: Cross multiply
    133,161.77x = 183,762.30 × 72,732.43
  4. Step 4: Simplify right side
    133,161.77x = 13,365,478,434.73
  5. Step 5: Solve for x
    x = 13,365,478,434.73/133,161.77
  6. Step 6: Final answer
    x = 100,370.24

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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.