Home / 149,226.16-205,951.76-85,551.64

Finding the Fourth Proportional to 149,226.16, 205,951.76 and 85,551.64

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Solution

The fourth proportional to 149,226.16, 205,951.76 and 85,551.64 is: 118,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,226.16 : 205,951.76 = 85,551.64 : x
  2. Step 2: Convert to fraction form
    149,226.16/205,951.76 = 85,551.64/x
  3. Step 3: Cross multiply
    149,226.16x = 205,951.76 × 85,551.64
  4. Step 4: Simplify right side
    149,226.16x = 17,619,510,828.89
  5. Step 5: Solve for x
    x = 17,619,510,828.89/149,226.16
  6. Step 6: Final answer
    x = 118,072.53

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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.