Home / 126,969.84-175,206.60-70,376.40

Finding the Fourth Proportional to 126,969.84, 175,206.60 and 70,376.40

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Solution

The fourth proportional to 126,969.84, 175,206.60 and 70,376.40 is: 97,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,969.84 : 175,206.60 = 70,376.40 : x
  2. Step 2: Convert to fraction form
    126,969.84/175,206.60 = 70,376.40/x
  3. Step 3: Cross multiply
    126,969.84x = 175,206.60 × 70,376.40
  4. Step 4: Simplify right side
    126,969.84x = 12,330,409,764.24
  5. Step 5: Solve for x
    x = 12,330,409,764.24/126,969.84
  6. Step 6: Final answer
    x = 97,112.90

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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.