Home / 251,044.72-346,443.96-137,868.28

Finding the Fourth Proportional to 251,044.72, 346,443.96 and 137,868.28

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Solution

The fourth proportional to 251,044.72, 346,443.96 and 137,868.28 is: 190,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,044.72 : 346,443.96 = 137,868.28 : x
  2. Step 2: Convert to fraction form
    251,044.72/346,443.96 = 137,868.28/x
  3. Step 3: Cross multiply
    251,044.72x = 346,443.96 × 137,868.28
  4. Step 4: Simplify right side
    251,044.72x = 47,763,632,881.59
  5. Step 5: Solve for x
    x = 47,763,632,881.59/251,044.72
  6. Step 6: Final answer
    x = 190,259.46

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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.