Home / 84,220.43-116,219.21-45,972.36

Finding the Fourth Proportional to 84,220.43, 116,219.21 and 45,972.36

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Solution

The fourth proportional to 84,220.43, 116,219.21 and 45,972.36 is: 63,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,220.43 : 116,219.21 = 45,972.36 : x
  2. Step 2: Convert to fraction form
    84,220.43/116,219.21 = 45,972.36/x
  3. Step 3: Cross multiply
    84,220.43x = 116,219.21 × 45,972.36
  4. Step 4: Simplify right side
    84,220.43x = 5,342,871,131.17
  5. Step 5: Solve for x
    x = 5,342,871,131.17/84,220.43
  6. Step 6: Final answer
    x = 63,439.14

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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.