Home / 155,888.19-214,982.24-102,153.69

Finding the Fourth Proportional to 155,888.19, 214,982.24 and 102,153.69

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Solution

The fourth proportional to 155,888.19, 214,982.24 and 102,153.69 is: 140,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,888.19 : 214,982.24 = 102,153.69 : x
  2. Step 2: Convert to fraction form
    155,888.19/214,982.24 = 102,153.69/x
  3. Step 3: Cross multiply
    155,888.19x = 214,982.24 × 102,153.69
  4. Step 4: Simplify right side
    155,888.19x = 21,961,228,589.70
  5. Step 5: Solve for x
    x = 21,961,228,589.70/155,888.19
  6. Step 6: Final answer
    x = 140,878.08

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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.