Home / 118,311.36-177,510.24-55,986.72

Finding the Fourth Proportional to 118,311.36, 177,510.24 and 55,986.72

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Solution

The fourth proportional to 118,311.36, 177,510.24 and 55,986.72 is: 84,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,311.36 : 177,510.24 = 55,986.72 : x
  2. Step 2: Convert to fraction form
    118,311.36/177,510.24 = 55,986.72/x
  3. Step 3: Cross multiply
    118,311.36x = 177,510.24 × 55,986.72
  4. Step 4: Simplify right side
    118,311.36x = 9,938,216,104.01
  5. Step 5: Solve for x
    x = 9,938,216,104.01/118,311.36
  6. Step 6: Final answer
    x = 84,000.52

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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.