Home / 251,079.36-346,506.48-137,903.28

Finding the Fourth Proportional to 251,079.36, 346,506.48 and 137,903.28

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Solution

The fourth proportional to 251,079.36, 346,506.48 and 137,903.28 is: 190,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,079.36 : 346,506.48 = 137,903.28 : x
  2. Step 2: Convert to fraction form
    251,079.36/346,506.48 = 137,903.28/x
  3. Step 3: Cross multiply
    251,079.36x = 346,506.48 × 137,903.28
  4. Step 4: Simplify right side
    251,079.36x = 47,784,380,133.25
  5. Step 5: Solve for x
    x = 47,784,380,133.25/251,079.36
  6. Step 6: Final answer
    x = 190,315.84

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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.