Home / 149,693.31-206,225.87-104,289.17

Finding the Fourth Proportional to 149,693.31, 206,225.87 and 104,289.17

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Solution

The fourth proportional to 149,693.31, 206,225.87 and 104,289.17 is: 143,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,693.31 : 206,225.87 = 104,289.17 : x
  2. Step 2: Convert to fraction form
    149,693.31/206,225.87 = 104,289.17/x
  3. Step 3: Cross multiply
    149,693.31x = 206,225.87 × 104,289.17
  4. Step 4: Simplify right side
    149,693.31x = 21,507,123,262.25
  5. Step 5: Solve for x
    x = 21,507,123,262.25/149,693.31
  6. Step 6: Final answer
    x = 143,674.58

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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.