Home / 188,646.69-260,246.55-112,122.30

Finding the Fourth Proportional to 188,646.69, 260,246.55 and 112,122.30

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Solution

The fourth proportional to 188,646.69, 260,246.55 and 112,122.30 is: 154,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,646.69 : 260,246.55 = 112,122.30 : x
  2. Step 2: Convert to fraction form
    188,646.69/260,246.55 = 112,122.30/x
  3. Step 3: Cross multiply
    188,646.69x = 260,246.55 × 112,122.30
  4. Step 4: Simplify right side
    188,646.69x = 29,179,442,417.50
  5. Step 5: Solve for x
    x = 29,179,442,417.50/188,646.69
  6. Step 6: Final answer
    x = 154,677.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.