Home / 125,278.12-187,943.58-46,393

Finding the Fourth Proportional to 125,278.12, 187,943.58 and 46,393

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Solution

The fourth proportional to 125,278.12, 187,943.58 and 46,393 is: 69,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,278.12 : 187,943.58 = 46,393 : x
  2. Step 2: Convert to fraction form
    125,278.12/187,943.58 = 46,393/x
  3. Step 3: Cross multiply
    125,278.12x = 187,943.58 × 46,393
  4. Step 4: Simplify right side
    125,278.12x = 8,719,266,506.94
  5. Step 5: Solve for x
    x = 8,719,266,506.94/125,278.12
  6. Step 6: Final answer
    x = 69,599.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.