Home / 136,173.45-204,259.87-64,879.68

Finding the Fourth Proportional to 136,173.45, 204,259.87 and 64,879.68

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Solution

The fourth proportional to 136,173.45, 204,259.87 and 64,879.68 is: 97,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,173.45 : 204,259.87 = 64,879.68 : x
  2. Step 2: Convert to fraction form
    136,173.45/204,259.87 = 64,879.68/x
  3. Step 3: Cross multiply
    136,173.45x = 204,259.87 × 64,879.68
  4. Step 4: Simplify right side
    136,173.45x = 13,252,314,678.04
  5. Step 5: Solve for x
    x = 13,252,314,678.04/136,173.45
  6. Step 6: Final answer
    x = 97,319.37

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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.