Home / 132,664.98-183,076.77-72,235.59

Finding the Fourth Proportional to 132,664.98, 183,076.77 and 72,235.59

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Solution

The fourth proportional to 132,664.98, 183,076.77 and 72,235.59 is: 99,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,664.98 : 183,076.77 = 72,235.59 : x
  2. Step 2: Convert to fraction form
    132,664.98/183,076.77 = 72,235.59/x
  3. Step 3: Cross multiply
    132,664.98x = 183,076.77 × 72,235.59
  4. Step 4: Simplify right side
    132,664.98x = 13,224,658,496.24
  5. Step 5: Solve for x
    x = 13,224,658,496.24/132,664.98
  6. Step 6: Final answer
    x = 99,684.62

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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.