Home / 126,964.03-190,048.91-81,925.15

Finding the Fourth Proportional to 126,964.03, 190,048.91 and 81,925.15

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Solution

The fourth proportional to 126,964.03, 190,048.91 and 81,925.15 is: 122,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,964.03 : 190,048.91 = 81,925.15 : x
  2. Step 2: Convert to fraction form
    126,964.03/190,048.91 = 81,925.15/x
  3. Step 3: Cross multiply
    126,964.03x = 190,048.91 × 81,925.15
  4. Step 4: Simplify right side
    126,964.03x = 15,569,784,626.58
  5. Step 5: Solve for x
    x = 15,569,784,626.58/126,964.03
  6. Step 6: Final answer
    x = 122,631.46

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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.