Home / 147,770.79-203,923.92-84,108.59

Finding the Fourth Proportional to 147,770.79, 203,923.92 and 84,108.59

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Solution

The fourth proportional to 147,770.79, 203,923.92 and 84,108.59 is: 116,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,770.79 : 203,923.92 = 84,108.59 : x
  2. Step 2: Convert to fraction form
    147,770.79/203,923.92 = 84,108.59/x
  3. Step 3: Cross multiply
    147,770.79x = 203,923.92 × 84,108.59
  4. Step 4: Simplify right side
    147,770.79x = 17,151,752,274.05
  5. Step 5: Solve for x
    x = 17,151,752,274.05/147,770.79
  6. Step 6: Final answer
    x = 116,069.98

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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.