Home / 149,685.88-224,643.02-55,005.78

Finding the Fourth Proportional to 149,685.88, 224,643.02 and 55,005.78

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Solution

The fourth proportional to 149,685.88, 224,643.02 and 55,005.78 is: 82,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,685.88 : 224,643.02 = 55,005.78 : x
  2. Step 2: Convert to fraction form
    149,685.88/224,643.02 = 55,005.78/x
  3. Step 3: Cross multiply
    149,685.88x = 224,643.02 × 55,005.78
  4. Step 4: Simplify right side
    149,685.88x = 12,356,664,536.66
  5. Step 5: Solve for x
    x = 12,356,664,536.66/149,685.88
  6. Step 6: Final answer
    x = 82,550.64

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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.