Home / 133,258.92-183,895.14-72,828.84

Finding the Fourth Proportional to 133,258.92, 183,895.14 and 72,828.84

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Solution

The fourth proportional to 133,258.92, 183,895.14 and 72,828.84 is: 100,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,258.92 : 183,895.14 = 72,828.84 : x
  2. Step 2: Convert to fraction form
    133,258.92/183,895.14 = 72,828.84/x
  3. Step 3: Cross multiply
    133,258.92x = 183,895.14 × 72,828.84
  4. Step 4: Simplify right side
    133,258.92x = 13,392,869,727.84
  5. Step 5: Solve for x
    x = 13,392,869,727.84/133,258.92
  6. Step 6: Final answer
    x = 100,502.61

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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.