Home / 253,527.05-380,335.83-85,102.23

Finding the Fourth Proportional to 253,527.05, 380,335.83 and 85,102.23

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Solution

The fourth proportional to 253,527.05, 380,335.83 and 85,102.23 is: 127,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,527.05 : 380,335.83 = 85,102.23 : x
  2. Step 2: Convert to fraction form
    253,527.05/380,335.83 = 85,102.23/x
  3. Step 3: Cross multiply
    253,527.05x = 380,335.83 × 85,102.23
  4. Step 4: Simplify right side
    253,527.05x = 32,367,427,281.90
  5. Step 5: Solve for x
    x = 32,367,427,281.90/253,527.05
  6. Step 6: Final answer
    x = 127,668.54

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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.