Home / 133,301.54-183,956.28-76,712.96

Finding the Fourth Proportional to 133,301.54, 183,956.28 and 76,712.96

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Solution

The fourth proportional to 133,301.54, 183,956.28 and 76,712.96 is: 105,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,301.54 : 183,956.28 = 76,712.96 : x
  2. Step 2: Convert to fraction form
    133,301.54/183,956.28 = 76,712.96/x
  3. Step 3: Cross multiply
    133,301.54x = 183,956.28 × 76,712.96
  4. Step 4: Simplify right side
    133,301.54x = 14,111,830,749.39
  5. Step 5: Solve for x
    x = 14,111,830,749.39/133,301.54
  6. Step 6: Final answer
    x = 105,863.97

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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.