Home / 120,843.47-181,265.29-45,946.31

Finding the Fourth Proportional to 120,843.47, 181,265.29 and 45,946.31

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Solution

The fourth proportional to 120,843.47, 181,265.29 and 45,946.31 is: 68,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,843.47 : 181,265.29 = 45,946.31 : x
  2. Step 2: Convert to fraction form
    120,843.47/181,265.29 = 45,946.31/x
  3. Step 3: Cross multiply
    120,843.47x = 181,265.29 × 45,946.31
  4. Step 4: Simplify right side
    120,843.47x = 8,328,470,185.39
  5. Step 5: Solve for x
    x = 8,328,470,185.39/120,843.47
  6. Step 6: Final answer
    x = 68,919.49

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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.