Home / 251,033.67-346,428.69-137,857.23

Finding the Fourth Proportional to 251,033.67, 346,428.69 and 137,857.23

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Solution

The fourth proportional to 251,033.67, 346,428.69 and 137,857.23 is: 190,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,033.67 : 346,428.69 = 137,857.23 : x
  2. Step 2: Convert to fraction form
    251,033.67/346,428.69 = 137,857.23/x
  3. Step 3: Cross multiply
    251,033.67x = 346,428.69 × 137,857.23
  4. Step 4: Simplify right side
    251,033.67x = 47,757,699,595.93
  5. Step 5: Solve for x
    x = 47,757,699,595.93/251,033.67
  6. Step 6: Final answer
    x = 190,244.20

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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.