Home / 151,567.30-227,022.90-81,364.60

Finding the Fourth Proportional to 151,567.30, 227,022.90 and 81,364.60

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Solution

The fourth proportional to 151,567.30, 227,022.90 and 81,364.60 is: 121,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,567.30 : 227,022.90 = 81,364.60 : x
  2. Step 2: Convert to fraction form
    151,567.30/227,022.90 = 81,364.60/x
  3. Step 3: Cross multiply
    151,567.30x = 227,022.90 × 81,364.60
  4. Step 4: Simplify right side
    151,567.30x = 18,471,627,449.34
  5. Step 5: Solve for x
    x = 18,471,627,449.34/151,567.30
  6. Step 6: Final answer
    x = 121,870.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.