Home / 72,180.18-108,270.27-35,212.50

Finding the Fourth Proportional to 72,180.18, 108,270.27 and 35,212.50

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Solution

The fourth proportional to 72,180.18, 108,270.27 and 35,212.50 is: 52,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,180.18 : 108,270.27 = 35,212.50 : x
  2. Step 2: Convert to fraction form
    72,180.18/108,270.27 = 35,212.50/x
  3. Step 3: Cross multiply
    72,180.18x = 108,270.27 × 35,212.50
  4. Step 4: Simplify right side
    72,180.18x = 3,812,466,882.38
  5. Step 5: Solve for x
    x = 3,812,466,882.38/72,180.18
  6. Step 6: Final answer
    x = 52,818.75

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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.