Home / 125,480.10-188,054.01-92,043.63

Finding the Fourth Proportional to 125,480.10, 188,054.01 and 92,043.63

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Solution

The fourth proportional to 125,480.10, 188,054.01 and 92,043.63 is: 137,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,480.10 : 188,054.01 = 92,043.63 : x
  2. Step 2: Convert to fraction form
    125,480.10/188,054.01 = 92,043.63/x
  3. Step 3: Cross multiply
    125,480.10x = 188,054.01 × 92,043.63
  4. Step 4: Simplify right side
    125,480.10x = 17,309,173,716.46
  5. Step 5: Solve for x
    x = 17,309,173,716.46/125,480.10
  6. Step 6: Final answer
    x = 137,943.58

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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.