Home / 126,088.92-189,112.59-51,206.04

Finding the Fourth Proportional to 126,088.92, 189,112.59 and 51,206.04

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Solution

The fourth proportional to 126,088.92, 189,112.59 and 51,206.04 is: 76,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.92 : 189,112.59 = 51,206.04 : x
  2. Step 2: Convert to fraction form
    126,088.92/189,112.59 = 51,206.04/x
  3. Step 3: Cross multiply
    126,088.92x = 189,112.59 × 51,206.04
  4. Step 4: Simplify right side
    126,088.92x = 9,683,706,848.04
  5. Step 5: Solve for x
    x = 9,683,706,848.04/126,088.92
  6. Step 6: Final answer
    x = 76,800.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.