Home / 251,283.36-346,772.16-138,113.40

Finding the Fourth Proportional to 251,283.36, 346,772.16 and 138,113.40

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Solution

The fourth proportional to 251,283.36, 346,772.16 and 138,113.40 is: 190,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,283.36 : 346,772.16 = 138,113.40 : x
  2. Step 2: Convert to fraction form
    251,283.36/346,772.16 = 138,113.40/x
  3. Step 3: Cross multiply
    251,283.36x = 346,772.16 × 138,113.40
  4. Step 4: Simplify right side
    251,283.36x = 47,893,882,042.94
  5. Step 5: Solve for x
    x = 47,893,882,042.94/251,283.36
  6. Step 6: Final answer
    x = 190,597.11

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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.