Home / 180,272.86-270,218.61-67,904.46

Finding the Fourth Proportional to 180,272.86, 270,218.61 and 67,904.46

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Solution

The fourth proportional to 180,272.86, 270,218.61 and 67,904.46 is: 101,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,272.86 : 270,218.61 = 67,904.46 : x
  2. Step 2: Convert to fraction form
    180,272.86/270,218.61 = 67,904.46/x
  3. Step 3: Cross multiply
    180,272.86x = 270,218.61 × 67,904.46
  4. Step 4: Simplify right side
    180,272.86x = 18,349,048,921.32
  5. Step 5: Solve for x
    x = 18,349,048,921.32/180,272.86
  6. Step 6: Final answer
    x = 101,784.87

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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.