Home / 188,601.05-260,264.26-103,718.12

Finding the Fourth Proportional to 188,601.05, 260,264.26 and 103,718.12

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Solution

The fourth proportional to 188,601.05, 260,264.26 and 103,718.12 is: 143,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,601.05 : 260,264.26 = 103,718.12 : x
  2. Step 2: Convert to fraction form
    188,601.05/260,264.26 = 103,718.12/x
  3. Step 3: Cross multiply
    188,601.05x = 260,264.26 × 103,718.12
  4. Step 4: Simplify right side
    188,601.05x = 26,994,119,750.39
  5. Step 5: Solve for x
    x = 26,994,119,750.39/188,601.05
  6. Step 6: Final answer
    x = 143,128.15

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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.