Home / 126,914.34-175,141.79-70,325.72

Finding the Fourth Proportional to 126,914.34, 175,141.79 and 70,325.72

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Solution

The fourth proportional to 126,914.34, 175,141.79 and 70,325.72 is: 97,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.34 : 175,141.79 = 70,325.72 : x
  2. Step 2: Convert to fraction form
    126,914.34/175,141.79 = 70,325.72/x
  3. Step 3: Cross multiply
    126,914.34x = 175,141.79 × 70,325.72
  4. Step 4: Simplify right side
    126,914.34x = 12,316,972,572.59
  5. Step 5: Solve for x
    x = 12,316,972,572.59/126,914.34
  6. Step 6: Final answer
    x = 97,049.49

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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.