Home / 84,158.56-116,133.96-48,348.46

Finding the Fourth Proportional to 84,158.56, 116,133.96 and 48,348.46

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Solution

The fourth proportional to 84,158.56, 116,133.96 and 48,348.46 is: 66,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.56 : 116,133.96 = 48,348.46 : x
  2. Step 2: Convert to fraction form
    84,158.56/116,133.96 = 48,348.46/x
  3. Step 3: Cross multiply
    84,158.56x = 116,133.96 × 48,348.46
  4. Step 4: Simplify right side
    84,158.56x = 5,614,898,119.70
  5. Step 5: Solve for x
    x = 5,614,898,119.70/84,158.56
  6. Step 6: Final answer
    x = 66,718.09

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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.