Home / 149,730.30-206,624.79-86,066.46

Finding the Fourth Proportional to 149,730.30, 206,624.79 and 86,066.46

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Solution

The fourth proportional to 149,730.30, 206,624.79 and 86,066.46 is: 118,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,730.30 : 206,624.79 = 86,066.46 : x
  2. Step 2: Convert to fraction form
    149,730.30/206,624.79 = 86,066.46/x
  3. Step 3: Cross multiply
    149,730.30x = 206,624.79 × 86,066.46
  4. Step 4: Simplify right side
    149,730.30x = 17,783,464,223.54
  5. Step 5: Solve for x
    x = 17,783,464,223.54/149,730.30
  6. Step 6: Final answer
    x = 118,769.98

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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.