Home / 125,266.56-188,111.52-124,298.88

Finding the Fourth Proportional to 125,266.56, 188,111.52 and 124,298.88

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Solution

The fourth proportional to 125,266.56, 188,111.52 and 124,298.88 is: 186,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,266.56 : 188,111.52 = 124,298.88 : x
  2. Step 2: Convert to fraction form
    125,266.56/188,111.52 = 124,298.88/x
  3. Step 3: Cross multiply
    125,266.56x = 188,111.52 × 124,298.88
  4. Step 4: Simplify right side
    125,266.56x = 23,382,051,251.10
  5. Step 5: Solve for x
    x = 23,382,051,251.10/125,266.56
  6. Step 6: Final answer
    x = 186,658.36

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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.