Home / 149,043.42-205,607.58-88,571.28

Finding the Fourth Proportional to 149,043.42, 205,607.58 and 88,571.28

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Solution

The fourth proportional to 149,043.42, 205,607.58 and 88,571.28 is: 122,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,043.42 : 205,607.58 = 88,571.28 : x
  2. Step 2: Convert to fraction form
    149,043.42/205,607.58 = 88,571.28/x
  3. Step 3: Cross multiply
    149,043.42x = 205,607.58 × 88,571.28
  4. Step 4: Simplify right side
    149,043.42x = 18,210,926,538.30
  5. Step 5: Solve for x
    x = 18,210,926,538.30/149,043.42
  6. Step 6: Final answer
    x = 122,185.38

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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.