Home / 125,844.40-188,766.60-102,804.40

Finding the Fourth Proportional to 125,844.40, 188,766.60 and 102,804.40

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Solution

The fourth proportional to 125,844.40, 188,766.60 and 102,804.40 is: 154,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844.40 : 188,766.60 = 102,804.40 : x
  2. Step 2: Convert to fraction form
    125,844.40/188,766.60 = 102,804.40/x
  3. Step 3: Cross multiply
    125,844.40x = 188,766.60 × 102,804.40
  4. Step 4: Simplify right side
    125,844.40x = 19,406,037,053.04
  5. Step 5: Solve for x
    x = 19,406,037,053.04/125,844.40
  6. Step 6: Final answer
    x = 154,206.60

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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.