Home / 133,314.48-183,974.16-76,725.84

Finding the Fourth Proportional to 133,314.48, 183,974.16 and 76,725.84

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Solution

The fourth proportional to 133,314.48, 183,974.16 and 76,725.84 is: 105,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.48 : 183,974.16 = 76,725.84 : x
  2. Step 2: Convert to fraction form
    133,314.48/183,974.16 = 76,725.84/x
  3. Step 3: Cross multiply
    133,314.48x = 183,974.16 × 76,725.84
  4. Step 4: Simplify right side
    133,314.48x = 14,115,571,964.29
  5. Step 5: Solve for x
    x = 14,115,571,964.29/133,314.48
  6. Step 6: Final answer
    x = 105,881.76

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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.