Home / 125,622.30-188,433.45-124,310.10

Finding the Fourth Proportional to 125,622.30, 188,433.45 and 124,310.10

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Solution

The fourth proportional to 125,622.30, 188,433.45 and 124,310.10 is: 186,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.30 : 188,433.45 = 124,310.10 : x
  2. Step 2: Convert to fraction form
    125,622.30/188,433.45 = 124,310.10/x
  3. Step 3: Cross multiply
    125,622.30x = 188,433.45 × 124,310.10
  4. Step 4: Simplify right side
    125,622.30x = 23,424,181,012.85
  5. Step 5: Solve for x
    x = 23,424,181,012.85/125,622.30
  6. Step 6: Final answer
    x = 186,465.15

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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.