Home / 133,077.88-183,684.54-76,507.48

Finding the Fourth Proportional to 133,077.88, 183,684.54 and 76,507.48

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Solution

The fourth proportional to 133,077.88, 183,684.54 and 76,507.48 is: 105,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.88 : 183,684.54 = 76,507.48 : x
  2. Step 2: Convert to fraction form
    133,077.88/183,684.54 = 76,507.48/x
  3. Step 3: Cross multiply
    133,077.88x = 183,684.54 × 76,507.48
  4. Step 4: Simplify right side
    133,077.88x = 14,053,241,270.36
  5. Step 5: Solve for x
    x = 14,053,241,270.36/133,077.88
  6. Step 6: Final answer
    x = 105,601.63

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1.5x scale

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.