Home / 147,450.84-221,241.60-77,313.48

Finding the Fourth Proportional to 147,450.84, 221,241.60 and 77,313.48

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Solution

The fourth proportional to 147,450.84, 221,241.60 and 77,313.48 is: 116,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,450.84 : 221,241.60 = 77,313.48 : x
  2. Step 2: Convert to fraction form
    147,450.84/221,241.60 = 77,313.48/x
  3. Step 3: Cross multiply
    147,450.84x = 221,241.60 × 77,313.48
  4. Step 4: Simplify right side
    147,450.84x = 17,104,958,016.77
  5. Step 5: Solve for x
    x = 17,104,958,016.77/147,450.84
  6. Step 6: Final answer
    x = 116,004.48

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1.5x scale

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.