Home / 126,947.56-175,187.78-70,358.98

Finding the Fourth Proportional to 126,947.56, 175,187.78 and 70,358.98

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Solution

The fourth proportional to 126,947.56, 175,187.78 and 70,358.98 is: 97,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,947.56 : 175,187.78 = 70,358.98 : x
  2. Step 2: Convert to fraction form
    126,947.56/175,187.78 = 70,358.98/x
  3. Step 3: Cross multiply
    126,947.56x = 175,187.78 × 70,358.98
  4. Step 4: Simplify right side
    126,947.56x = 12,326,033,157.47
  5. Step 5: Solve for x
    x = 12,326,033,157.47/126,947.56
  6. Step 6: Final answer
    x = 97,095.47

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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.