Home / 133,301.34-183,972.06-76,711.50

Finding the Fourth Proportional to 133,301.34, 183,972.06 and 76,711.50

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Solution

The fourth proportional to 133,301.34, 183,972.06 and 76,711.50 is: 105,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,301.34 : 183,972.06 = 76,711.50 : x
  2. Step 2: Convert to fraction form
    133,301.34/183,972.06 = 76,711.50/x
  3. Step 3: Cross multiply
    133,301.34x = 183,972.06 × 76,711.50
  4. Step 4: Simplify right side
    133,301.34x = 14,112,772,680.69
  5. Step 5: Solve for x
    x = 14,112,772,680.69/133,301.34
  6. Step 6: Final answer
    x = 105,871.20

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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.