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Finding the Fourth Proportional to 96,133.86, 144,211.32 and 39,980.61

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Solution

The fourth proportional to 96,133.86, 144,211.32 and 39,980.61 is: 59,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,133.86 : 144,211.32 = 39,980.61 : x
  2. Step 2: Convert to fraction form
    96,133.86/144,211.32 = 39,980.61/x
  3. Step 3: Cross multiply
    96,133.86x = 144,211.32 × 39,980.61
  4. Step 4: Simplify right side
    96,133.86x = 5,765,656,542.51
  5. Step 5: Solve for x
    x = 5,765,656,542.51/96,133.86
  6. Step 6: Final answer
    x = 59,975.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.