Home / 188,454.38-260,127.63-120,653.96

Finding the Fourth Proportional to 188,454.38, 260,127.63 and 120,653.96

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Solution

The fourth proportional to 188,454.38, 260,127.63 and 120,653.96 is: 166,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,454.38 : 260,127.63 = 120,653.96 : x
  2. Step 2: Convert to fraction form
    188,454.38/260,127.63 = 120,653.96/x
  3. Step 3: Cross multiply
    188,454.38x = 260,127.63 × 120,653.96
  4. Step 4: Simplify right side
    188,454.38x = 31,385,427,364.28
  5. Step 5: Solve for x
    x = 31,385,427,364.28/188,454.38
  6. Step 6: Final answer
    x = 166,541.25

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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.