Home / 251,001.47-346,377.71-137,823.41

Finding the Fourth Proportional to 251,001.47, 346,377.71 and 137,823.41

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Solution

The fourth proportional to 251,001.47, 346,377.71 and 137,823.41 is: 190,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,001.47 : 346,377.71 = 137,823.41 : x
  2. Step 2: Convert to fraction form
    251,001.47/346,377.71 = 137,823.41/x
  3. Step 3: Cross multiply
    251,001.47x = 346,377.71 × 137,823.41
  4. Step 4: Simplify right side
    251,001.47x = 47,738,954,719.19
  5. Step 5: Solve for x
    x = 47,738,954,719.19/251,001.47
  6. Step 6: Final answer
    x = 190,193.93

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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.