Home / 188,501.08-260,135.04-103,618.12

Finding the Fourth Proportional to 188,501.08, 260,135.04 and 103,618.12

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Solution

The fourth proportional to 188,501.08, 260,135.04 and 103,618.12 is: 142,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,501.08 : 260,135.04 = 103,618.12 : x
  2. Step 2: Convert to fraction form
    188,501.08/260,135.04 = 103,618.12/x
  3. Step 3: Cross multiply
    188,501.08x = 260,135.04 × 103,618.12
  4. Step 4: Simplify right side
    188,501.08x = 26,954,703,790.92
  5. Step 5: Solve for x
    x = 26,954,703,790.92/188,501.08
  6. Step 6: Final answer
    x = 142,994.96

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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.