Home / 144,345.54-199,197.08-80,683.28

Finding the Fourth Proportional to 144,345.54, 199,197.08 and 80,683.28

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Solution

The fourth proportional to 144,345.54, 199,197.08 and 80,683.28 is: 111,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,345.54 : 199,197.08 = 80,683.28 : x
  2. Step 2: Convert to fraction form
    144,345.54/199,197.08 = 80,683.28/x
  3. Step 3: Cross multiply
    144,345.54x = 199,197.08 × 80,683.28
  4. Step 4: Simplify right side
    144,345.54x = 16,071,873,780.82
  5. Step 5: Solve for x
    x = 16,071,873,780.82/144,345.54
  6. Step 6: Final answer
    x = 111,343.06

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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.