Home / 106,946.20-160,419.30-54,458.20

Finding the Fourth Proportional to 106,946.20, 160,419.30 and 54,458.20

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Solution

The fourth proportional to 106,946.20, 160,419.30 and 54,458.20 is: 81,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,946.20 : 160,419.30 = 54,458.20 : x
  2. Step 2: Convert to fraction form
    106,946.20/160,419.30 = 54,458.20/x
  3. Step 3: Cross multiply
    106,946.20x = 160,419.30 × 54,458.20
  4. Step 4: Simplify right side
    106,946.20x = 8,736,146,323.26
  5. Step 5: Solve for x
    x = 8,736,146,323.26/106,946.20
  6. Step 6: Final answer
    x = 81,687.30

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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.