Home / 188,521.44-260,152.99-103,637.89

Finding the Fourth Proportional to 188,521.44, 260,152.99 and 103,637.89

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Solution

The fourth proportional to 188,521.44, 260,152.99 and 103,637.89 is: 143,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,521.44 : 260,152.99 = 103,637.89 : x
  2. Step 2: Convert to fraction form
    188,521.44/260,152.99 = 103,637.89/x
  3. Step 3: Cross multiply
    188,521.44x = 260,152.99 × 103,637.89
  4. Step 4: Simplify right side
    188,521.44x = 26,961,706,960.79
  5. Step 5: Solve for x
    x = 26,961,706,960.79/188,521.44
  6. Step 6: Final answer
    x = 143,016.66

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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.