Home / 154,862.76-213,752.39-101,146.62

Finding the Fourth Proportional to 154,862.76, 213,752.39 and 101,146.62

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Solution

The fourth proportional to 154,862.76, 213,752.39 and 101,146.62 is: 139,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,862.76 : 213,752.39 = 101,146.62 : x
  2. Step 2: Convert to fraction form
    154,862.76/213,752.39 = 101,146.62/x
  3. Step 3: Cross multiply
    154,862.76x = 213,752.39 × 101,146.62
  4. Step 4: Simplify right side
    154,862.76x = 21,620,330,949.53
  5. Step 5: Solve for x
    x = 21,620,330,949.53/154,862.76
  6. Step 6: Final answer
    x = 139,609.62

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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.