Home / 133,071.88-183,676.26-76,501.48

Finding the Fourth Proportional to 133,071.88, 183,676.26 and 76,501.48

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Solution

The fourth proportional to 133,071.88, 183,676.26 and 76,501.48 is: 105,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.88 : 183,676.26 = 76,501.48 : x
  2. Step 2: Convert to fraction form
    133,071.88/183,676.26 = 76,501.48/x
  3. Step 3: Cross multiply
    133,071.88x = 183,676.26 × 76,501.48
  4. Step 4: Simplify right side
    133,071.88x = 14,051,505,730.86
  5. Step 5: Solve for x
    x = 14,051,505,730.86/133,071.88
  6. Step 6: Final answer
    x = 105,593.35

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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.