Home / 93,140.13-139,708.83-23,019.44

Finding the Fourth Proportional to 93,140.13, 139,708.83 and 23,019.44

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Solution

The fourth proportional to 93,140.13, 139,708.83 and 23,019.44 is: 34,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.13 : 139,708.83 = 23,019.44 : x
  2. Step 2: Convert to fraction form
    93,140.13/139,708.83 = 23,019.44/x
  3. Step 3: Cross multiply
    93,140.13x = 139,708.83 × 23,019.44
  4. Step 4: Simplify right side
    93,140.13x = 3,216,019,029.66
  5. Step 5: Solve for x
    x = 3,216,019,029.66/93,140.13
  6. Step 6: Final answer
    x = 34,528.82

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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.