Home / 153,278.46-229,814.42-78,337.26

Finding the Fourth Proportional to 153,278.46, 229,814.42 and 78,337.26

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Solution

The fourth proportional to 153,278.46, 229,814.42 and 78,337.26 is: 117,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,278.46 : 229,814.42 = 78,337.26 : x
  2. Step 2: Convert to fraction form
    153,278.46/229,814.42 = 78,337.26/x
  3. Step 3: Cross multiply
    153,278.46x = 229,814.42 × 78,337.26
  4. Step 4: Simplify right side
    153,278.46x = 18,003,031,579.60
  5. Step 5: Solve for x
    x = 18,003,031,579.60/153,278.46
  6. Step 6: Final answer
    x = 117,453.11

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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.