Home / 251,127.63-346,558.71-136,407.39

Finding the Fourth Proportional to 251,127.63, 346,558.71 and 136,407.39

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Solution

The fourth proportional to 251,127.63, 346,558.71 and 136,407.39 is: 188,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,127.63 : 346,558.71 = 136,407.39 : x
  2. Step 2: Convert to fraction form
    251,127.63/346,558.71 = 136,407.39/x
  3. Step 3: Cross multiply
    251,127.63x = 346,558.71 × 136,407.39
  4. Step 4: Simplify right side
    251,127.63x = 47,273,169,112.87
  5. Step 5: Solve for x
    x = 47,273,169,112.87/251,127.63
  6. Step 6: Final answer
    x = 188,243.60

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1.5x scale

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.