Home / 251,011.53-346,400.15-137,844.81

Finding the Fourth Proportional to 251,011.53, 346,400.15 and 137,844.81

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Solution

The fourth proportional to 251,011.53, 346,400.15 and 137,844.81 is: 190,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,011.53 : 346,400.15 = 137,844.81 : x
  2. Step 2: Convert to fraction form
    251,011.53/346,400.15 = 137,844.81/x
  3. Step 3: Cross multiply
    251,011.53x = 346,400.15 × 137,844.81
  4. Step 4: Simplify right side
    251,011.53x = 47,749,462,860.72
  5. Step 5: Solve for x
    x = 47,749,462,860.72/251,011.53
  6. Step 6: Final answer
    x = 190,228.17

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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.