Home / 180,273.18-270,219.08-67,904.78

Finding the Fourth Proportional to 180,273.18, 270,219.08 and 67,904.78

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Solution

The fourth proportional to 180,273.18, 270,219.08 and 67,904.78 is: 101,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,273.18 : 270,219.08 = 67,904.78 : x
  2. Step 2: Convert to fraction form
    180,273.18/270,219.08 = 67,904.78/x
  3. Step 3: Cross multiply
    180,273.18x = 270,219.08 × 67,904.78
  4. Step 4: Simplify right side
    180,273.18x = 18,349,165,828.11
  5. Step 5: Solve for x
    x = 18,349,165,828.11/180,273.18
  6. Step 6: Final answer
    x = 101,785.34

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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.