Home / 133,254.88-183,896.40-87,972.64

Finding the Fourth Proportional to 133,254.88, 183,896.40 and 87,972.64

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Solution

The fourth proportional to 133,254.88, 183,896.40 and 87,972.64 is: 121,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,254.88 : 183,896.40 = 87,972.64 : x
  2. Step 2: Convert to fraction form
    133,254.88/183,896.40 = 87,972.64/x
  3. Step 3: Cross multiply
    133,254.88x = 183,896.40 × 87,972.64
  4. Step 4: Simplify right side
    133,254.88x = 16,177,851,794.50
  5. Step 5: Solve for x
    x = 16,177,851,794.50/133,254.88
  6. Step 6: Final answer
    x = 121,405.32

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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.