Home / 91,441.64-126,188.88-51,155.22

Finding the Fourth Proportional to 91,441.64, 126,188.88 and 51,155.22

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Solution

The fourth proportional to 91,441.64, 126,188.88 and 51,155.22 is: 70,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,441.64 : 126,188.88 = 51,155.22 : x
  2. Step 2: Convert to fraction form
    91,441.64/126,188.88 = 51,155.22/x
  3. Step 3: Cross multiply
    91,441.64x = 126,188.88 × 51,155.22
  4. Step 4: Simplify right side
    91,441.64x = 6,455,219,917.95
  5. Step 5: Solve for x
    x = 6,455,219,917.95/91,441.64
  6. Step 6: Final answer
    x = 70,593.88

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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.