Home / 153,474.30-211,827.21-103,144.14

Finding the Fourth Proportional to 153,474.30, 211,827.21 and 103,144.14

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Solution

The fourth proportional to 153,474.30, 211,827.21 and 103,144.14 is: 142,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,474.30 : 211,827.21 = 103,144.14 : x
  2. Step 2: Convert to fraction form
    153,474.30/211,827.21 = 103,144.14/x
  3. Step 3: Cross multiply
    153,474.30x = 211,827.21 × 103,144.14
  4. Step 4: Simplify right side
    153,474.30x = 21,848,735,404.05
  5. Step 5: Solve for x
    x = 21,848,735,404.05/153,474.30
  6. Step 6: Final answer
    x = 142,360.87

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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.