Home / 88,380.32-121,967.59-50,141.48

Finding the Fourth Proportional to 88,380.32, 121,967.59 and 50,141.48

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Solution

The fourth proportional to 88,380.32, 121,967.59 and 50,141.48 is: 69,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.32 : 121,967.59 = 50,141.48 : x
  2. Step 2: Convert to fraction form
    88,380.32/121,967.59 = 50,141.48/x
  3. Step 3: Cross multiply
    88,380.32x = 121,967.59 × 50,141.48
  4. Step 4: Simplify right side
    88,380.32x = 6,115,634,919.01
  5. Step 5: Solve for x
    x = 6,115,634,919.01/88,380.32
  6. Step 6: Final answer
    x = 69,196.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.