Home / 92,258.19-127,328.49-51,979.91

Finding the Fourth Proportional to 92,258.19, 127,328.49 and 51,979.91

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Solution

The fourth proportional to 92,258.19, 127,328.49 and 51,979.91 is: 71,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,258.19 : 127,328.49 = 51,979.91 : x
  2. Step 2: Convert to fraction form
    92,258.19/127,328.49 = 51,979.91/x
  3. Step 3: Cross multiply
    92,258.19x = 127,328.49 × 51,979.91
  4. Step 4: Simplify right side
    92,258.19x = 6,618,522,813.99
  5. Step 5: Solve for x
    x = 6,618,522,813.99/92,258.19
  6. Step 6: Final answer
    x = 71,739.14

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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.