Home / 149,241.71-205,968.08-111,450.35

Finding the Fourth Proportional to 149,241.71, 205,968.08 and 111,450.35

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Solution

The fourth proportional to 149,241.71, 205,968.08 and 111,450.35 is: 153,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,241.71 : 205,968.08 = 111,450.35 : x
  2. Step 2: Convert to fraction form
    149,241.71/205,968.08 = 111,450.35/x
  3. Step 3: Cross multiply
    149,241.71x = 205,968.08 × 111,450.35
  4. Step 4: Simplify right side
    149,241.71x = 22,955,214,047.58
  5. Step 5: Solve for x
    x = 22,955,214,047.58/149,241.71
  6. Step 6: Final answer
    x = 153,812.32

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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.