Home / 133,301.10-183,955.68-76,712.52

Finding the Fourth Proportional to 133,301.10, 183,955.68 and 76,712.52

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Solution

The fourth proportional to 133,301.10, 183,955.68 and 76,712.52 is: 105,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,301.10 : 183,955.68 = 76,712.52 : x
  2. Step 2: Convert to fraction form
    133,301.10/183,955.68 = 76,712.52/x
  3. Step 3: Cross multiply
    133,301.10x = 183,955.68 × 76,712.52
  4. Step 4: Simplify right side
    133,301.10x = 14,111,703,781.11
  5. Step 5: Solve for x
    x = 14,111,703,781.11/133,301.10
  6. Step 6: Final answer
    x = 105,863.37

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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.