Home / 198,775.34-274,248.03-112,727.55

Finding the Fourth Proportional to 198,775.34, 274,248.03 and 112,727.55

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Solution

The fourth proportional to 198,775.34, 274,248.03 and 112,727.55 is: 155,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,775.34 : 274,248.03 = 112,727.55 : x
  2. Step 2: Convert to fraction form
    198,775.34/274,248.03 = 112,727.55/x
  3. Step 3: Cross multiply
    198,775.34x = 274,248.03 × 112,727.55
  4. Step 4: Simplify right side
    198,775.34x = 30,915,308,514.23
  5. Step 5: Solve for x
    x = 30,915,308,514.23/198,775.34
  6. Step 6: Final answer
    x = 155,528.90

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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.