Home / 153,228.60-229,841.82-90,709.56

Finding the Fourth Proportional to 153,228.60, 229,841.82 and 90,709.56

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Solution

The fourth proportional to 153,228.60, 229,841.82 and 90,709.56 is: 136,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,228.60 : 229,841.82 = 90,709.56 : x
  2. Step 2: Convert to fraction form
    153,228.60/229,841.82 = 90,709.56/x
  3. Step 3: Cross multiply
    153,228.60x = 229,841.82 × 90,709.56
  4. Step 4: Simplify right side
    153,228.60x = 20,848,850,361.80
  5. Step 5: Solve for x
    x = 20,848,850,361.80/153,228.60
  6. Step 6: Final answer
    x = 136,063.70

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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.