Home / 144,659.30-216,830.55-51,116.90

Finding the Fourth Proportional to 144,659.30, 216,830.55 and 51,116.90

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Solution

The fourth proportional to 144,659.30, 216,830.55 and 51,116.90 is: 76,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,659.30 : 216,830.55 = 51,116.90 : x
  2. Step 2: Convert to fraction form
    144,659.30/216,830.55 = 51,116.90/x
  3. Step 3: Cross multiply
    144,659.30x = 216,830.55 × 51,116.90
  4. Step 4: Simplify right side
    144,659.30x = 11,083,705,541.30
  5. Step 5: Solve for x
    x = 11,083,705,541.30/144,659.30
  6. Step 6: Final answer
    x = 76,619.38

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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.