Home / 126,423.52-189,738.96-64,111.84

Finding the Fourth Proportional to 126,423.52, 189,738.96 and 64,111.84

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Solution

The fourth proportional to 126,423.52, 189,738.96 and 64,111.84 is: 96,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423.52 : 189,738.96 = 64,111.84 : x
  2. Step 2: Convert to fraction form
    126,423.52/189,738.96 = 64,111.84/x
  3. Step 3: Cross multiply
    126,423.52x = 189,738.96 × 64,111.84
  4. Step 4: Simplify right side
    126,423.52x = 12,164,513,845.29
  5. Step 5: Solve for x
    x = 12,164,513,845.29/126,423.52
  6. Step 6: Final answer
    x = 96,220.34

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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.