Home / 250,899.71-346,238.64-136,178.55

Finding the Fourth Proportional to 250,899.71, 346,238.64 and 136,178.55

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Solution

The fourth proportional to 250,899.71, 346,238.64 and 136,178.55 is: 187,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,899.71 : 346,238.64 = 136,178.55 : x
  2. Step 2: Convert to fraction form
    250,899.71/346,238.64 = 136,178.55/x
  3. Step 3: Cross multiply
    250,899.71x = 346,238.64 × 136,178.55
  4. Step 4: Simplify right side
    250,899.71x = 47,150,275,949.17
  5. Step 5: Solve for x
    x = 47,150,275,949.17/250,899.71
  6. Step 6: Final answer
    x = 187,924.80

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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.