Home / 127,816.28-176,271.36-80,073.80

Finding the Fourth Proportional to 127,816.28, 176,271.36 and 80,073.80

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Solution

The fourth proportional to 127,816.28, 176,271.36 and 80,073.80 is: 110,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,816.28 : 176,271.36 = 80,073.80 : x
  2. Step 2: Convert to fraction form
    127,816.28/176,271.36 = 80,073.80/x
  3. Step 3: Cross multiply
    127,816.28x = 176,271.36 × 80,073.80
  4. Step 4: Simplify right side
    127,816.28x = 14,114,717,626.37
  5. Step 5: Solve for x
    x = 14,114,717,626.37/127,816.28
  6. Step 6: Final answer
    x = 110,429.73

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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.