Home / 282,023.92-423,146.66-124,141.68

Finding the Fourth Proportional to 282,023.92, 423,146.66 and 124,141.68

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Solution

The fourth proportional to 282,023.92, 423,146.66 and 124,141.68 is: 186,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,023.92 : 423,146.66 = 124,141.68 : x
  2. Step 2: Convert to fraction form
    282,023.92/423,146.66 = 124,141.68/x
  3. Step 3: Cross multiply
    282,023.92x = 423,146.66 × 124,141.68
  4. Step 4: Simplify right side
    282,023.92x = 52,530,137,258.79
  5. Step 5: Solve for x
    x = 52,530,137,258.79/282,023.92
  6. Step 6: Final answer
    x = 186,261.28

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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.