Home / 145,087.29-200,226.71-80,556.53

Finding the Fourth Proportional to 145,087.29, 200,226.71 and 80,556.53

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Solution

The fourth proportional to 145,087.29, 200,226.71 and 80,556.53 is: 111,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,087.29 : 200,226.71 = 80,556.53 : x
  2. Step 2: Convert to fraction form
    145,087.29/200,226.71 = 80,556.53/x
  3. Step 3: Cross multiply
    145,087.29x = 200,226.71 × 80,556.53
  4. Step 4: Simplify right side
    145,087.29x = 16,129,567,567.00
  5. Step 5: Solve for x
    x = 16,129,567,567.00/145,087.29
  6. Step 6: Final answer
    x = 111,171.47

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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.