Home / 188,875.74-260,618.13-108,287.22

Finding the Fourth Proportional to 188,875.74, 260,618.13 and 108,287.22

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Solution

The fourth proportional to 188,875.74, 260,618.13 and 108,287.22 is: 149,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,875.74 : 260,618.13 = 108,287.22 : x
  2. Step 2: Convert to fraction form
    188,875.74/260,618.13 = 108,287.22/x
  3. Step 3: Cross multiply
    188,875.74x = 260,618.13 × 108,287.22
  4. Step 4: Simplify right side
    188,875.74x = 28,221,612,779.30
  5. Step 5: Solve for x
    x = 28,221,612,779.30/188,875.74
  6. Step 6: Final answer
    x = 149,418.94

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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.