Home / 153,495.24-229,817.72-78,453.78

Finding the Fourth Proportional to 153,495.24, 229,817.72 and 78,453.78

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Solution

The fourth proportional to 153,495.24, 229,817.72 and 78,453.78 is: 117,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,495.24 : 229,817.72 = 78,453.78 : x
  2. Step 2: Convert to fraction form
    153,495.24/229,817.72 = 78,453.78/x
  3. Step 3: Cross multiply
    153,495.24x = 229,817.72 × 78,453.78
  4. Step 4: Simplify right side
    153,495.24x = 18,030,068,844.98
  5. Step 5: Solve for x
    x = 18,030,068,844.98/153,495.24
  6. Step 6: Final answer
    x = 117,463.37

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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.