Home / 125,474.10-188,045.01-92,037.60

Finding the Fourth Proportional to 125,474.10, 188,045.01 and 92,037.60

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Solution

The fourth proportional to 125,474.10, 188,045.01 and 92,037.60 is: 137,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,474.10 : 188,045.01 = 92,037.60 : x
  2. Step 2: Convert to fraction form
    125,474.10/188,045.01 = 92,037.60/x
  3. Step 3: Cross multiply
    125,474.10x = 188,045.01 × 92,037.60
  4. Step 4: Simplify right side
    125,474.10x = 17,307,211,412.38
  5. Step 5: Solve for x
    x = 17,307,211,412.38/125,474.10
  6. Step 6: Final answer
    x = 137,934.53

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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.