Home / 251,186.42-346,617.15-143,731.82

Finding the Fourth Proportional to 251,186.42, 346,617.15 and 143,731.82

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Solution

The fourth proportional to 251,186.42, 346,617.15 and 143,731.82 is: 198,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,186.42 : 346,617.15 = 143,731.82 : x
  2. Step 2: Convert to fraction form
    251,186.42/346,617.15 = 143,731.82/x
  3. Step 3: Cross multiply
    251,186.42x = 346,617.15 × 143,731.82
  4. Step 4: Simplify right side
    251,186.42x = 49,819,913,812.71
  5. Step 5: Solve for x
    x = 49,819,913,812.71/251,186.42
  6. Step 6: Final answer
    x = 198,338.40

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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.