Home / 250,961.15-346,390.32-143,564.87

Finding the Fourth Proportional to 250,961.15, 346,390.32 and 143,564.87

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Solution

The fourth proportional to 250,961.15, 346,390.32 and 143,564.87 is: 198,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,961.15 : 346,390.32 = 143,564.87 : x
  2. Step 2: Convert to fraction form
    250,961.15/346,390.32 = 143,564.87/x
  3. Step 3: Cross multiply
    250,961.15x = 346,390.32 × 143,564.87
  4. Step 4: Simplify right side
    250,961.15x = 49,729,482,664.40
  5. Step 5: Solve for x
    x = 49,729,482,664.40/250,961.15
  6. Step 6: Final answer
    x = 198,156.10

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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.