Home / 133,300.29-183,954.56-76,711.71

Finding the Fourth Proportional to 133,300.29, 183,954.56 and 76,711.71

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Solution

The fourth proportional to 133,300.29, 183,954.56 and 76,711.71 is: 105,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.29 : 183,954.56 = 76,711.71 : x
  2. Step 2: Convert to fraction form
    133,300.29/183,954.56 = 76,711.71/x
  3. Step 3: Cross multiply
    133,300.29x = 183,954.56 × 76,711.71
  4. Step 4: Simplify right side
    133,300.29x = 14,111,468,476.34
  5. Step 5: Solve for x
    x = 14,111,468,476.34/133,300.29
  6. Step 6: Final answer
    x = 105,862.25

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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.