Home / 126,658.88-174,794.40-70,069.28

Finding the Fourth Proportional to 126,658.88, 174,794.40 and 70,069.28

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Solution

The fourth proportional to 126,658.88, 174,794.40 and 70,069.28 is: 96,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,658.88 : 174,794.40 = 70,069.28 : x
  2. Step 2: Convert to fraction form
    126,658.88/174,794.40 = 70,069.28/x
  3. Step 3: Cross multiply
    126,658.88x = 174,794.40 × 70,069.28
  4. Step 4: Simplify right side
    126,658.88x = 12,247,717,756.03
  5. Step 5: Solve for x
    x = 12,247,717,756.03/126,658.88
  6. Step 6: Final answer
    x = 96,698.45

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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.