Home / 133,041.26-183,593.40-72,612.66

Finding the Fourth Proportional to 133,041.26, 183,593.40 and 72,612.66

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Solution

The fourth proportional to 133,041.26, 183,593.40 and 72,612.66 is: 100,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,041.26 : 183,593.40 = 72,612.66 : x
  2. Step 2: Convert to fraction form
    133,041.26/183,593.40 = 72,612.66/x
  3. Step 3: Cross multiply
    133,041.26x = 183,593.40 × 72,612.66
  4. Step 4: Simplify right side
    133,041.26x = 13,331,205,132.44
  5. Step 5: Solve for x
    x = 13,331,205,132.44/133,041.26
  6. Step 6: Final answer
    x = 100,203.54

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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.