Home / 251,028.36-346,419.72-137,858.40

Finding the Fourth Proportional to 251,028.36, 346,419.72 and 137,858.40

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Solution

The fourth proportional to 251,028.36, 346,419.72 and 137,858.40 is: 190,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,028.36 : 346,419.72 = 137,858.40 : x
  2. Step 2: Convert to fraction form
    251,028.36/346,419.72 = 137,858.40/x
  3. Step 3: Cross multiply
    251,028.36x = 346,419.72 × 137,858.40
  4. Step 4: Simplify right side
    251,028.36x = 47,756,868,327.65
  5. Step 5: Solve for x
    x = 47,756,868,327.65/251,028.36
  6. Step 6: Final answer
    x = 190,244.91

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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.