Home / 145,092.32-200,227.79-80,561.68

Finding the Fourth Proportional to 145,092.32, 200,227.79 and 80,561.68

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Solution

The fourth proportional to 145,092.32, 200,227.79 and 80,561.68 is: 111,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,092.32 : 200,227.79 = 80,561.68 : x
  2. Step 2: Convert to fraction form
    145,092.32/200,227.79 = 80,561.68/x
  3. Step 3: Cross multiply
    145,092.32x = 200,227.79 × 80,561.68
  4. Step 4: Simplify right side
    145,092.32x = 16,130,686,211.58
  5. Step 5: Solve for x
    x = 16,130,686,211.58/145,092.32
  6. Step 6: Final answer
    x = 111,175.33

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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.