Home / 251,080.36-346,507.86-137,904.28

Finding the Fourth Proportional to 251,080.36, 346,507.86 and 137,904.28

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Solution

The fourth proportional to 251,080.36, 346,507.86 and 137,904.28 is: 190,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,080.36 : 346,507.86 = 137,904.28 : x
  2. Step 2: Convert to fraction form
    251,080.36/346,507.86 = 137,904.28/x
  3. Step 3: Cross multiply
    251,080.36x = 346,507.86 × 137,904.28
  4. Step 4: Simplify right side
    251,080.36x = 47,784,916,947.64
  5. Step 5: Solve for x
    x = 47,784,916,947.64/251,080.36
  6. Step 6: Final answer
    x = 190,317.22

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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.