Home / 145,550.55-200,793.33-105,200.40

Finding the Fourth Proportional to 145,550.55, 200,793.33 and 105,200.40

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Solution

The fourth proportional to 145,550.55, 200,793.33 and 105,200.40 is: 145,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550.55 : 200,793.33 = 105,200.40 : x
  2. Step 2: Convert to fraction form
    145,550.55/200,793.33 = 105,200.40/x
  3. Step 3: Cross multiply
    145,550.55x = 200,793.33 × 105,200.40
  4. Step 4: Simplify right side
    145,550.55x = 21,123,538,633.33
  5. Step 5: Solve for x
    x = 21,123,538,633.33/145,550.55
  6. Step 6: Final answer
    x = 145,128.54

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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.