Home / 145,196.38-200,284.13-91,387.98

Finding the Fourth Proportional to 145,196.38, 200,284.13 and 91,387.98

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Solution

The fourth proportional to 145,196.38, 200,284.13 and 91,387.98 is: 126,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,196.38 : 200,284.13 = 91,387.98 : x
  2. Step 2: Convert to fraction form
    145,196.38/200,284.13 = 91,387.98/x
  3. Step 3: Cross multiply
    145,196.38x = 200,284.13 × 91,387.98
  4. Step 4: Simplify right side
    145,196.38x = 18,303,560,608.40
  5. Step 5: Solve for x
    x = 18,303,560,608.40/145,196.38
  6. Step 6: Final answer
    x = 126,060.73

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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.