Home / 250,954.09-346,312.32-137,776.03

Finding the Fourth Proportional to 250,954.09, 346,312.32 and 137,776.03

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Solution

The fourth proportional to 250,954.09, 346,312.32 and 137,776.03 is: 190,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,954.09 : 346,312.32 = 137,776.03 : x
  2. Step 2: Convert to fraction form
    250,954.09/346,312.32 = 137,776.03/x
  3. Step 3: Cross multiply
    250,954.09x = 346,312.32 × 137,776.03
  4. Step 4: Simplify right side
    250,954.09x = 47,713,536,589.69
  5. Step 5: Solve for x
    x = 47,713,536,589.69/250,954.09
  6. Step 6: Final answer
    x = 190,128.55

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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.